US3242947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic pulsation dampener
Assignee: Eastman Kodak Co
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Filing: 1963-11-12
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Granted: 1966-03-29
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Edward J Mizma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:57
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0042; F04C15/0049; F16; F16K; F16K51/00; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86381
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PNEUMATIC PULSATION DAMPENER FOR REGULATING FLOW OF A NONCOMPRESSIBLE LIQUID, COMPRISING: A CONDUIT FOR CONDUCTING THE LIQUID; A MAIN DIAPHRAGM HAVING ONE SIDE EXPOSED TO THE LIQUID; A PILOT DIAPHRAGM HAVING ONE SIDE EXPOSED TO THE LIQUID; A GAS CONDUIT SYSTEM COUPLED TO THE OTHER SIDE OF SAID MAIN DIAPHRAGM AND SAID PILOT DIAPHRAGM; A BLEEDER NOZZLE ADJACENT TO SAID PILOT DIAPHRAGM AND ARRANGED TO EXHAUST GAS FROM SAID CONDUIT SYSTEM IN ACCORDANCE WITH THE SPACING BETWEEN SAID PILOT DIAPHRAGM AND THE END OF SAID NOZZLE;
Claim 2
Dependent Claim
87 words
A PNEUMATIC PULSATION DAMPENER FOR REGULATING FLOW OF A NONCOMPRESSIBLE LIQUID, COMPRISING: A CONDUIT FOR CONDUCTING THE LIQUID; A MAIN DIAPHRAGM HAVING ONE SIDE EXPOSED TO THE LIQUID; A PILOT DIAPHRAGM HAVING ONE SIDE EXPOSED TO THE LIQUID; A GAS CONDUIT SYSTEM COUPLED TO THE OTHER SIDE OF SAID MAIN DIAPHRAGM AND SAID PILOT DIAPHRAGM; A BLEEDER NOZZLE ADJACENT TO SAID PILOT DIAPHRAGM AND ARRANGED TO EXHAUST GAS FROM SAID CONDUIT SYSTEM IN ACCORDANCE WITH THE SPACING BETWEEN SAID PILOT DIAPHRAGM AND THE END OF SAID NOZZLE;
References Cited (Backward Citations)
US2949932A
Cited
US3103234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |