Patent US3347235A successfully refreshed from Google Patents.
US3347235A
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US
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Periodic vacuum-breaking motor operated rotary valve in a surgical device
Assignee: INSTR RES Inc
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Filing: 1964-11-23
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Granted: 1967-10-17
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Cecil C Hunnicutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:45
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/71; A61M1/74; A61M1/75; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2546; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
FOR USE IN CONNECTION WITH A MEDICAL DRAINAGE SYSTEM INCLUDING A SUCTION LINE, ONE END OF WHICH IS ADAPTED TO BE INSERTED INTO A PATIENT''S BODY AND HAVING THE OPPOSITE END THEREOF CONNECTED TO A VACUUM PUMP OPERABLE TO PRODUCE A VACUUM THEREIN, A PERIODIC VACUUM-BREAKING DEVICE COMPRISING: (A) A CONDUIT ADAPTED TO BE INTERCONNECTED AT ONE END INTO SAID SUCTION LINE AND HAVING ITS OPPOSITE END VENTED TO THE ATMOSPHERE, (B) A POWER DRIVEN TIMER VALVE DISPOSED IN SAID CONDUIT AND OPERABLE AS IT IS DRIVEN TO OPEN AT PERIODIC INTERVALS IN CYCLICAL OPERATION, (C) POWER MEANS OPERABLE TO DRIVE SAID VALVE,
Claim 2
Dependent Claim
103 words
FOR USE IN CONNECTION WITH A MEDICAL DRAINAGE SYSTEM INCLUDING A SUCTION LINE, ONE END OF WHICH IS ADAPTED TO BE INSERTED INTO A PATIENT''S BODY AND HAVING THE OPPOSITE END THEREOF CONNECTED TO A VACUUM PUMP OPERABLE TO PRODUCE A VACUUM THEREIN, A PERIODIC VACUUM-BREAKING DEVICE COMPRISING: (A) A CONDUIT ADAPTED TO BE INTERCONNECTED AT ONE END INTO SAID SUCTION LINE AND HAVING ITS OPPOSITE END VENTED TO THE ATMOSPHERE, (B) A POWER DRIVEN TIMER VALVE DISPOSED IN SAID CONDUIT AND OPERABLE AS IT IS DRIVEN TO OPEN AT PERIODIC INTERVALS IN CYCLICAL OPERATION, (C) POWER MEANS OPERABLE TO DRIVE SAID VALVE,
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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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |