US3581326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater utility tool
Assignee: JOHN L FULLER AND ASSOCIATES
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Filing: 1969-05-15
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Granted: 1971-06-01
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Expires: 1989-05-15
Abstract
Abstract A UTILITY TOOL AND HOLDER THEREFOR, SUCH TOOL BEING PARTICULARLY SUITABLE FOR UNDERWATER USE AND INCLUDING A KNIFE BLADE HAVING AN EXTENSIBLE PICK ON ITS BUTT END WITH A HANDLE SLIDABLY MOUNTED ON THE BLASE, SUCH HANDLE BEING LATCHABLE IN ALTERNATE POSITIONS, IN ONE POSITION THE TOOL BEING USABLE AS A KNIFE WHILE IN THE OTHER AS A PICK OR HAMMER.
Inventors
- 👤 Robert R Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:56
CPC Classifications
B; B25; B25F; B25F1/00; B26; B26B; B26B3/00; B26B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |