Patent US3446147A successfully refreshed from Google Patents.
US3446147A
Expired / Lapsed
US
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Casing for the sabot of a projectile
Assignee: OC Oerlikon Corp AG Pfaeffikon
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Filing: 1967-03-01
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Granted: 1969-05-27
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Walter Engel
- 👤 Heinrich Burri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:28
CPC Classifications
F; F42; F42B; F42B14/00; F42B14/06; F42B14/064; F42B14/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |