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Patent US3460478A successfully refreshed from Google Patents.
US3460478A
Expired / Lapsed
US
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Projectile with sintered metal driving band
Assignee: Rheinmetall Industrie AG
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Filing: 1968-02-06
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Granted: 1969-08-12
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Expires: 1988-02-06
Abstract
No abstract record available.
Inventors
- 👤 Gottfried Ormanns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:27
CPC Classifications
F; F42; F42B; F42B14/00; F42B14/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US681448A
Cited
US725385A
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US815992A
Cited
US1475578A
Cited
FR748006A
Cited
US2411073A
Cited
US2856856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |