US3186353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for stabilizing pump pressures
Assignee: Bendix Corp
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Filing: 1964-06-22
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Granted: 1965-06-01
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lael B Taplin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:22
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/26; F04B1/30; F04B1/32; F04B1/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
APPARATUS COMPRISING VARIABLE VOLUME PUMPING MEANS HAVING A HIGH PRESSURE REGION AND A LOW PRESSURE REGION, CONTROL PISTON MEANS TO VARY THE VOLUME OF SAID PUMPING MEANS, LAND MEANS, A METERING SERVO VALUE HAVING AT LEAST TWO EDGES WHICH ARE REGISTRABLE WITH THE LAND MEANS IN A CENTERED POSITION OF SAID VALVE, SAID VALVE BEING MOVABLE IN A FIRST DIRECTION SO THAT A FIRST EDGE MOVES OUT OF REGISTRATION WITH SAID LAND MEANS TO FORM A PASSAGE BETWEEN THE HIGH PRESURE REGION AND SAID CONTROL PISTON,
Claim 2
Dependent Claim
86 words
APPARATUS COMPRISING VARIABLE VOLUME PUMPING MEANS HAVING A HIGH PRESSURE REGION AND A LOW PRESSURE REGION, CONTROL PISTON MEANS TO VARY THE VOLUME OF SAID PUMPING MEANS, LAND MEANS, A METERING SERVO VALUE HAVING AT LEAST TWO EDGES WHICH ARE REGISTRABLE WITH THE LAND MEANS IN A CENTERED POSITION OF SAID VALVE, SAID VALVE BEING MOVABLE IN A FIRST DIRECTION SO THAT A FIRST EDGE MOVES OUT OF REGISTRATION WITH SAID LAND MEANS TO FORM A PASSAGE BETWEEN THE HIGH PRESURE REGION AND SAID CONTROL PISTON,
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |