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US3507221A
Expired / Lapsed
US
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Armor piercing,sabot shells
Assignee: Brevets Aero Mecaniques SA
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Filing: 1967-06-28
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Granted: 1970-04-21
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Expires: 1987-06-28
Abstract
No abstract record available.
Inventors
- 👤 Walter Grolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:09
CPC Classifications
F; F42; F42B; F42B14/00; F42B14/06; F42B14/064; F42B12/00; F42B12/02; F42B12/04; F42B12/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US581946A
Cited
US1294604A
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US3000316A
Cited
US2998778A
Cited
US3186342A
Cited
US3359905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |