Process of making a multi-section bomb casing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 26, 1994
Issued Date -
N/A
app pub date -
Apr 12, 1993
filing date -
Mar 12, 1990
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process for making multi-section bomb casings of high strength alloy steel at a reasonable production rate that have the strength and fracture properties of single-piece casings, with the sections being joined using friction welding techniques.
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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ELLWOOD NATIONAL INVESTMENT CORP | SUITE 1300 1105 N MARKET STREET P O BOX 8985 WILMINGTON DE 19899-8985 |
International Classification(s)

- 1993 Application Filing Year
- B21K Class
- 51 Applications Filed
- 26 Patents Issued To-Date
- 50.99 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ruhlman, James D | Warren, PA | 9 | 65 |
# of filed Patents : 9 Total Citations : 65 |
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- No Cited Art to Display

Patent Citation Ranking
- 16 Citation Count
- B21K Class
- 84.21 % this patent is cited more than
- 31 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 |
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