US3606812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater cable cutter
Assignee: United States Department of the Navy
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Filing: 1970-02-16
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Granted: 1971-09-21
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Expires: 1990-02-16
Abstract
Abstract AN UNDERWATER CABLE CUTTER INCLUDING: A PISTON AND A CYLINDER, THE CYLINDER BEING CLOSED AT A TOP END, THE PISTON HAVING A ROD WHIHC SLIDABLY EXTENDS THROUGH THE BOTTOM END OF THE CYLINDER, THE BOTTOM END OF THE ROD HAVING A CUTTING EDGE WHICH IS CAPABLE OF CUTTING A CABLE, MEANS MOUNTED ON THE CYLINDER FOR RETAINING A CABLE FOR CUTTING BY SAID CUTTING EDGE, AND AN APERTURE IN THE CYLINDER FOR INTRODUCING SEA PRESSURE FOR ACTUATING SAID PISTON.
Inventors
- 👤 Raymon C Riordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:06
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/58; B63B21/60; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/869; Y10T83/8821; Y10T83/8858
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |