US3761322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing aluminum cartridge case
Assignee: Olin Corp
•
Filing: 1970-12-28
•
Granted: 1973-09-25
•
Expires: 1990-12-28
Abstract
Abstract THE DISCLOSURE TEACHES A NON-HEAT TREATABLE ALUMINUM ALLOY CARTRIDGE CASE AND METHOD OF PREPARING SAME.
Inventors
- 👤 J Winter
- 👤 M Pryor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:36
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04; C22F1/047; C22C; C22C21/00; C22C21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |