Explosive initiator and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 25, 1987
Grant Date -
N/A
app pub date -
Sep 11, 1986
filing date -
Sep 11, 1986
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
Device and method for initiating an explosive charge, for example in an aircraft canopy jettisoning system. The initiator has an operating handle which is swung from a safe position to an armed position and then pushed to move a slide and actuate a firing mechanism. The device has a low profile and can be used in applications where space is limited.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
UNIVERSAL PROPULSION COMPANY INC | 25401 NORTH CENTRAL AVE PHOENIX AS 85027-7899 |
International Classification(s)

- 1986 Application Filing Year
- F42C Class
- 61 Applications Filed
- 4 Patents Issued To-Date
- 6.56 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Burkdoll, Frank B | Vacaville, CA | 4 | 68 |
# of filed Patents : 4 Total Citations : 68 | |||
Hannagan, Harold W | Napa, CA | 3 | 50 |
# of filed Patents : 3 Total Citations : 50 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 4 Citation Count
- F42C Class
- 0 % this patent is cited more than
- 38 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text
- a) providing a fiber furnish comprising a plurality of fibers and a plurality of binder microfibers, wherein the binder microfibers comprise a water non-dispersible, synthetic polymer; wherein the binder microfibers have a length of less than 25 millimeters and a fineness of less than 0.5 d/f; and wherein the binder microfibers have a melting temperature that is less than the melting temperature of the fibers;b) routing the fiber furnish to a wet-laid nonwoven process to produce at least one wet-laid nonwoven web layer;c) removing water from the wet-laid nonwoven web layer; andd) thermally bonding the wet-laid nonwoven web layer after step (c); wherein the thermal bonding is conducted at a temperature such that the surfaces of the binder microfibers at least partially melt without causing the fibers to melt thereby bonding the binder microfibers to the fibers to produce the paper or nonwoven article.

Legal Events
Date | Code | Event | Description |
---|---|---|---|
May 17, 2021 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
May 17, 2021 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 11, 2021 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Apr 11, 2021 |
Nov 30, 2020 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 11, 2017 | I | Issuance | |
Mar 22, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 02, 2016 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Oct 23, 2014 | P | Published | |
May 05, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CLARK, MARK DWIGHT;DEMA, KEH;SMITH, ERNEST PHILLIP;AND OTHERS;SIGNING DATES FROM 20140421 TO 20140429;REEL/FRAME:032820/0351 Owner name: EASTMAN CHEMICAL COMPANY, TENNESSEE |
Apr 10, 2014 | F | Filing |

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