US3246801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water activated automatic inflation device
Assignee: Knapp Monarch Co
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Filing: 1963-10-02
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Granted: 1966-04-19
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Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Boer Albert De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:24
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A DEVICE OF THE TYPE FOR EXPLOSIVELY ACTUATING A PIN TO PIERCE A PRESSURIZED GAS CYLINDER FOR AUTOMATICALLY INFLATING A LIFE-PRESERVING APPLIANCE UPON THE DEVICE''S CONTACT WITH WATER, THE IMPROVEMENT COMPRISING A VALVE BODY WITH AN ELONGATED BORE THEREIN AND WITH A SOCKET OF GREATER DIAMETER THAN SAID BORE ARRANGED AXIALLY OF AND COMMUNICATING WITH ONE END OF THE BORE, A HEADED PIERCING PIN WITH AN ABUTMENT END THEREON SLIDABLYARRANGED IN SAID BORE WITH THE HEAD OF THE PIN COOPERATING WITH THE WALLS OF THE BORE TO PREVENT ESCAPE OF GAS THEREBETWEEN, MEANS NORMALLY BIASING THE HEAD OF THE PIN
Claim 2
Dependent Claim
101 words
IN A DEVICE OF THE TYPE FOR EXPLOSIVELY ACTUATING A PIN TO PIERCE A PRESSURIZED GAS CYLINDER FOR AUTOMATICALLY INFLATING A LIFE-PRESERVING APPLIANCE UPON THE DEVICE''S CONTACT WITH WATER, THE IMPROVEMENT COMPRISING A VALVE BODY WITH AN ELONGATED BORE THEREIN AND WITH A SOCKET OF GREATER DIAMETER THAN SAID BORE ARRANGED AXIALLY OF AND COMMUNICATING WITH ONE END OF THE BORE, A HEADED PIERCING PIN WITH AN ABUTMENT END THEREON SLIDABLYARRANGED IN SAID BORE WITH THE HEAD OF THE PIN COOPERATING WITH THE WALLS OF THE BORE TO PREVENT ESCAPE OF GAS THEREBETWEEN, MEANS NORMALLY BIASING THE HEAD OF THE PIN
References Cited (Backward Citations)
US3059814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |