Patent US2738627A successfully refreshed from Google Patents.
US2738627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinder for valve decks of pumps
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-04-01
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Granted: 1956-03-20
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Expires: 1974-04-01
Abstract
No abstract record available.
Inventors
- 👤 Blagg Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:48
CPC Classifications
B; B24; B24B; B24B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A GRINDING DEVICE FOR GRINDING A CONCIAL SURFACE FOR THE VALVE DECK OF A PUMP COMPRISING, IN COMBINATION, A CYLINDRICAL BASE MEMBER HAVING EXTERNAL SCREW THREADS FOR FASTENING IT IN A FIXED PREDETERMINED POSITION ON SAID PUMP CONCENTRIC WITH THE CONICAL SURFACE, A CYLINDRICAL HOUSING INCLUDING A PERIPHERAL RING GEAR CONCENTRIC WITH SAID BASE AND MOUNTED ON SAID BASE FOR AXIAL MOVEMENT, SAID HOUSING COOPERATING WITH SAID BASE TO PROVIDE SCALE INDEXING MEANS FOR INDICATING THE AXIAL POSITION OF SAID HOUSING, A CYLINDRICAL BODY CONCENTRICALLY AND ROTATIVELY CARRIED BY SAID HOUSING, A FIRST DRIVE SHAFT ROTATIVELY MOUNTED ON SAID BODY WITH ITS AXIS ECCENTRIC WITH THE
Claim 2
Dependent Claim
106 words
A GRINDING DEVICE FOR GRINDING A CONCIAL SURFACE FOR THE VALVE DECK OF A PUMP COMPRISING, IN COMBINATION, A CYLINDRICAL BASE MEMBER HAVING EXTERNAL SCREW THREADS FOR FASTENING IT IN A FIXED PREDETERMINED POSITION ON SAID PUMP CONCENTRIC WITH THE CONICAL SURFACE, A CYLINDRICAL HOUSING INCLUDING A PERIPHERAL RING GEAR CONCENTRIC WITH SAID BASE AND MOUNTED ON SAID BASE FOR AXIAL MOVEMENT, SAID HOUSING COOPERATING WITH SAID BASE TO PROVIDE SCALE INDEXING MEANS FOR INDICATING THE AXIAL POSITION OF SAID HOUSING, A CYLINDRICAL BODY CONCENTRICALLY AND ROTATIVELY CARRIED BY SAID HOUSING, A FIRST DRIVE SHAFT ROTATIVELY MOUNTED ON SAID BODY WITH ITS AXIS ECCENTRIC WITH THE
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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |