Patent US3494060A successfully refreshed from Google Patents.
US3494060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater gun having a rotatable cylinder
Assignee: Individual
•
Filing: 1968-03-11
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Granted: 1970-02-10
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Expires: 1988-03-11
Abstract
No abstract record available.
Inventors
- 👤 Grover E Hendricks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:44
CPC Classifications
F; F41; F41C; F41C9/00; F41C9/06; A; A01; A01K; A01K81/00; F41A; F41A35/00; F41A35/02; F41A35/04; F41A9/00; F41A9/01; F41A9/24; F41A9/26; F41A9/27; F41A9/28
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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |