US3354528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve seat cutter
Assignee: NEWAY SALES Inc
•
Filing: 1966-02-21
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Granted: 1967-11-28
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Henry H Appleby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; B23C3/051; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2265; B23C2200/00; B23C2200/36; B23C2200/367; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9093; Y10T408/9098; Y10T408/90987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A CUTTING HEAD FOR RENEWING A VALVE SEAT FOR A POPPET VALVE, COMPRISING THE COMBINATION: A BODY MEMBER AND MEANS CENTRALLY LOCATED THEREON FOR ROTATABLY DRIVING SAME; THREE CUTTER MEMBERS FIXED TO SAID BODY AND RADIATING OUTWARDLY THEREON, SAID CENTERS BEING SLOPED ON SAID BODY IN A MANNER CORRESPONDING TO THE SLOPE ON SAID VALVE SEAT TO BE REFINISHED, THE ANGLES BETWEEN SAID CUTTER MEMBERS BEING 5 DEGREES OF ARC OR LESS AWAY FROM THE RESPECTIVE ANGLES 140, 75 AND 145 DEGREES.
Claim 2
Dependent Claim
82 words
A CUTTING HEAD FOR RENEWING A VALVE SEAT FOR A POPPET VALVE, COMPRISING THE COMBINATION: A BODY MEMBER AND MEANS CENTRALLY LOCATED THEREON FOR ROTATABLY DRIVING SAME; THREE CUTTER MEMBERS FIXED TO SAID BODY AND RADIATING OUTWARDLY THEREON, SAID CENTERS BEING SLOPED ON SAID BODY IN A MANNER CORRESPONDING TO THE SLOPE ON SAID VALVE SEAT TO BE REFINISHED, THE ANGLES BETWEEN SAID CUTTER MEMBERS BEING 5 DEGREES OF ARC OR LESS AWAY FROM THE RESPECTIVE ANGLES 140, 75 AND 145 DEGREES.
References Cited (Backward Citations)
US1368459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |