Patent US3073243A successfully refreshed from Google Patents.
US3073243A
Expired / Lapsed
US
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Governor gear pump
Assignee: Motors Liquidation Co
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Filing: 1961-02-23
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Granted: 1963-01-15
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Gilbert K Hause
- 👤 Clifford C Wrigley
- 👤 John D Malloy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:54
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/06; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
204 words
A COMBINED FLUID GOVERNOR AND PRESSURE PUMP INCLUDING A HOUSING, A PAIR OF MESHING GEARS IN SAID HOUSING ROTATABLE ABOUT A PAIR OF SPACED AXES, SAID HOUSING HAVING A WALL SURROUNDING THE PERIPHERY OF SAID GEARS, A SUCTION PORT IN SAID HOUSING CONNECTED TO THE MESH POINT OF SAID GEARS ON ONE SIDE THEREOF, A DISCHARGE PORT CONNECTED TO SAID GEARS AT THEIR MESH POINT ON THE OTHER SIDE THEREOF, SAID WALL HAVING A FIRST PORTION SPACED FROM ONE OF SAID GEARS TO FORM A SUBSTANTIALLY LARGE CLEARANCE BETWEEN THE PERIPHERY OF THE TEETH OF SAID ONE GEAR AND SAID HOUSING SAID CLEARANCE EXTENDING CIRCUMFERENTIALLY AROUND A SUBSTANTIAL PORTION OF THE CIRCUMFERENCE OF SAID ONE GEAR BETWEEN SAID SUCTION AND SAID DISCHARGE PORTS, A GOVERNOR PRESSURE PORT CONNECTED TO SAID CLEARANCE AT A POINT PROXIMATE TO SAID DISCHARGE PORT, SAID WALL HAVING A SECOND PORTION SURROUNDING THE CIRCUMFERENCE OF SAID ONE GEAR BETWEEN SAID FIRST WALL PORTION AND SAID DISCHARGE PORT, SAID SECOND WALL PORTION SPACED A MINIMUM DISTANCE FROM THE TEETH OF SAID ONE GEAR TO FORM A MINIMUM CLEARANCE, SAID FIRST SUBSTANTIALLY LARGE CLEARANCE FORMING A SPEED RESPONSIVE FLUID GOVERNOR PRESSURE PORTION AND SAID MINIMUM CLEARANCE FORMING A POSITIVE DISPLACEMENT PUMPING PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |