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Patent US2981188A successfully refreshed from Google Patents.
US2981188A
Expired / Lapsed
US
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Spin-stabilized projectile with nonrotating shaped charge
Assignee: Individual
•
Filing: 1955-10-10
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Granted: 1961-04-25
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Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Henry S Lipinski
- 👤 Dubroff Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:13
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/04; F42B12/10; F42B12/12
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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |