Universal object holder for microscopes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 7, 1990
Grant Date -
N/A
app pub date -
Sep 16, 1988
filing date -
Sep 16, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An object holder for use on a microscope exhibits a frame having a shaped-on, deeper-lying contact surface, in which air suction openings are disposed for the fixing of the respective object. An adjustable abutment strip with a shaped-on bearing surface is provided, in order to retain plate-shaped objects, especially wafers or masks of the most widely varying shapes and sizes.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ERNST LEITZ WETZLAR GMBH | AM LEIT PARK 1 WETZLARA 35578 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kraft, Winfried | Asslar, DE | 11 | 124 |
# of filed Patents : 11 Total Citations : 124 | |||
Maerzhaeuser, Heinz | Wetzlar, DE | 1 | 10 |
# of filed Patents : 1 Total Citations : 10 | |||
Stebel, Wolfram | Berlin, DE | 1 | 10 |
# of filed Patents : 1 Total Citations : 10 | |||
Wuerfel, Volker | Braunfels, DE | 2 | 27 |
# of filed Patents : 2 Total Citations : 27 |
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Patent Citation Ranking
- 10 Citation Count
- G02B Class
- 0 % this patent is cited more than
- 35 Age
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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 |
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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

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Jan 08, 2025 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8 |
Jan 11, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Jul 11, 2017 | I | Issuance | |
Jun 21, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 11, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TANSEY, FRANCIS X., JR.;REEL/FRAME:037461/0553 Owner name: FOUNTAIN MASTER, LLC, NEW JERSEY Effective Date: Jan 11, 2016 |
Jun 04, 2015 | P | Published | |
Feb 12, 2015 | F | Filing |

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