Patent US3142850A successfully refreshed from Google Patents.
US3142850A
Expired / Lapsed
US
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Inflator for co2 inflation device
Assignee: Knapp Monarch Co
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Filing: 1962-08-13
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Granted: 1964-08-04
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Boer Albert De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
AN INFLATOR FOR AN INFLATABLE DEVICE COMPRISING, IN COMBINATION, A MANIFOLD ADAPTED TO BE SEALINGLY CONFINED WITHIN AN OPENING IN A WALL OF SAID INFLATABLE DEVICE, AND SAID MANIFOLD ADAPTED TO BE CONNECTED TO A SOURCE OF PRESSURIZED FLUID FOR INFLATING THE INFLATABLE DEVICE; A COLD DISSIPATER POSITIONED WITHIN THE INFLATABLE DEVICE AND AFFIXED TO SAID MANIFOLD IN SUBSTANTIAL ISOLATION FROM DIRECT ENGAGEMENT WITH SAID INFLATABLE DEVICE, SAID COLD DISSIPATER BEING CUP-SHAPED AND DEFINING TOGETHER WITH SAID MANIFOLD A PRELIMINARY EXPANSION CHAMBER OF RELATIVELY SMALL VOLUME RELATIVE TO THE VOLUME OF THE COMPARTMENT DEFINED WITHIN SAID INFLATABLE DEVICE, MEANS WITHIN SAID CUP-SHAPED MEMBER FOR CREATING TURBULENCE WITHIN THE PRELIMINARY EXPANSION CHAMBER TO RAISE THE TEMPERATURE OF THE EXPANDING PRESSURIZED FLUID SUFFICIENTLY TO THEREAFTER AVOID CRACKING THE WALLS OF SAID INFLATABLE DEVICE, SAID COLD DISSIPATER HAVING THEREIN A PLURALITY OF OPENINGS CONSTRICTED IN CROSS-SECTION RELATIVE TO THE SIZE OF SAID PRELIMINARY EXPANSION CHAMBER FOR COMMUNICATING THE PRELIMINARY EXPANSION CHAMBER WITH THE COMPARTMENT DEFINED WITHIN THE INFLATABLE DEVICE.
Claim 2
Dependent Claim
166 words
AN INFLATOR FOR AN INFLATABLE DEVICE COMPRISING, IN COMBINATION, A MANIFOLD ADAPTED TO BE SEALINGLY CONFINED WITHIN AN OPENING IN A WALL OF SAID INFLATABLE DEVICE, AND SAID MANIFOLD ADAPTED TO BE CONNECTED TO A SOURCE OF PRESSURIZED FLUID FOR INFLATING THE INFLATABLE DEVICE; A COLD DISSIPATER POSITIONED WITHIN THE INFLATABLE DEVICE AND AFFIXED TO SAID MANIFOLD IN SUBSTANTIAL ISOLATION FROM DIRECT ENGAGEMENT WITH SAID INFLATABLE DEVICE, SAID COLD DISSIPATER BEING CUP-SHAPED AND DEFINING TOGETHER WITH SAID MANIFOLD A PRELIMINARY EXPANSION CHAMBER OF RELATIVELY SMALL VOLUME RELATIVE TO THE VOLUME OF THE COMPARTMENT DEFINED WITHIN SAID INFLATABLE DEVICE, MEANS WITHIN SAID CUP-SHAPED MEMBER FOR CREATING TURBULENCE WITHIN THE PRELIMINARY EXPANSION CHAMBER TO RAISE THE TEMPERATURE OF THE EXPANDING PRESSURIZED FLUID SUFFICIENTLY TO THEREAFTER AVOID CRACKING THE WALLS OF SAID INFLATABLE DEVICE, SAID COLD DISSIPATER HAVING THEREIN A PLURALITY OF OPENINGS CONSTRICTED IN CROSS-SECTION RELATIVE TO THE SIZE OF SAID PRELIMINARY EXPANSION CHAMBER FOR COMMUNICATING THE PRELIMINARY EXPANSION CHAMBER WITH THE COMPARTMENT DEFINED WITHIN THE INFLATABLE DEVICE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |