US3498221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum cartridge case
Assignee: TORRANCE ADVANCED METALS CORP A CORP OF
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Filing: 1968-07-11
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Granted: 1970-03-03
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Expires: 1988-07-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Hilton
- 👤 Gilbert A Moudry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:26
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/01; B21C23/02; B21C23/20; B21J; B21J9/00; B21J9/02; B21J9/027; B21K; B21K21/00; B21K21/04; F; F42; F42B; F42B5/00; F42B5/26; F42B5/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310590A
Cited
US2736085A
Cited
CA686220A
Cited
CH184907A
Cited
US2349970A
Cited
GB716130A
Cited
US2904873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |