US3260252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve seats
Assignee: Individual
•
Filing: 1964-08-20
•
Granted: 1966-07-12
•
Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Karl V Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:29
CPC Classifications
F; F01; F01L; F01L3/00; F01L3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A TWO PART VALVE SEAT ADAPTED FOR USE WITH A VALVE INTO A CYLINDER OF AN INTERNAL COMBUSTION ENGING COMPRISING: (A) AN OUTER CYLINDRICAL BODY, (B) MEANS ON THE OUTER BODY FOR ATTACHING THE VALVE SEAT TO THE ENGINE, (C) AN INNER RING PARTIALLY TELESCOPED IN THE OUTER BODY, (D) SAID OUTER BODY HAVING AN ANNULAR NOTCH IN THE INSIDE OF ONE END IN WHICH THE INNER RING FITS, (E) THE INSIDE BORE OF THE OUTER BODY AND INNER RING BEING ABOUT THE SAME SO THAT THE VALVE SEAT HAS A SMOOTH BORE EXTENDING FROM ONE END TO THE OTHER, (F) A RADIAL SHOULDER ON THE END OF THE OUTER BODY ADJACENT TO THE ANNULAR NOTCH, (G) THE INNER RING HAVING AN EXTERNAL PERIPHERAL ANNULAR LIP AT ONE END THEREOF, (H) THE LIP ON THE INNER RING HAVING A RADIAL SHOULDER WHICH MATES WITH RADIAL SHOULDER ON THE OUTER BODY TO FORM A SEAL BETWEEN THE PARTS, AND (J) A PLURALITY OF SCREWS EXTENDING THROUGH THE OUTER BODY TO BEAR AT THEIR POINT AGAINST (K) AN ANNULAR GROOVE IN THAT PART OF THE INNER RING WHICH IS TELESCOPE WITHIN THE OUTER BODY.
Claim 2
Dependent Claim
192 words
A TWO PART VALVE SEAT ADAPTED FOR USE WITH A VALVE INTO A CYLINDER OF AN INTERNAL COMBUSTION ENGING COMPRISING: (A) AN OUTER CYLINDRICAL BODY, (B) MEANS ON THE OUTER BODY FOR ATTACHING THE VALVE SEAT TO THE ENGINE, (C) AN INNER RING PARTIALLY TELESCOPED IN THE OUTER BODY, (D) SAID OUTER BODY HAVING AN ANNULAR NOTCH IN THE INSIDE OF ONE END IN WHICH THE INNER RING FITS, (E) THE INSIDE BORE OF THE OUTER BODY AND INNER RING BEING ABOUT THE SAME SO THAT THE VALVE SEAT HAS A SMOOTH BORE EXTENDING FROM ONE END TO THE OTHER, (F) A RADIAL SHOULDER ON THE END OF THE OUTER BODY ADJACENT TO THE ANNULAR NOTCH, (G) THE INNER RING HAVING AN EXTERNAL PERIPHERAL ANNULAR LIP AT ONE END THEREOF, (H) THE LIP ON THE INNER RING HAVING A RADIAL SHOULDER WHICH MATES WITH RADIAL SHOULDER ON THE OUTER BODY TO FORM A SEAL BETWEEN THE PARTS, AND (J) A PLURALITY OF SCREWS EXTENDING THROUGH THE OUTER BODY TO BEAR AT THEIR POINT AGAINST (K) AN ANNULAR GROOVE IN THAT PART OF THE INNER RING WHICH IS TELESCOPE WITHIN THE OUTER BODY.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
FR777949A
Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |