Patent US3139009A successfully refreshed from Google Patents.
US3139009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder head seal
Assignee: Daimler Benz AG
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Filing: 1962-05-16
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Granted: 1964-06-30
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Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 Harting Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:43
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F16J15/106; F16J15/021; F16J15/022; F16J15/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A CYLINDER HEAD SEAL, ESPECIALLY FOR INTERNAL COMBUSTION ENGINES COMPRISING A CYLINDER HEAD AND CYLINDER MEANS PROVIDED WITH CYLINDER LINER MEANS, SAID CYLINDER LINER MEANS INCLUDING A LINER COLLAR PORTION, AND MEANS TRANSMITTING PRESSURE FROM SAID CYLINDER HEAD TO SAID LINER COMPRISING ELASTIC METALLIC SEAL MEANS BETWEEN SAID CYLINDER HEAD AND SAID COLLAR PORTION, AND MEANS EFFECTIVELY SHIELDING SAID ELASTIC SEAL MEANS AGAINST THE EFFECT OF THE HOT COMBUSTION GASES, SAID ELASTIC SEAL MEANS COMPRISING A YIELDABLE METALLIC RING MEMBER HAVING A PORTION OF U-SHAPED CROSS SECTION ADAPTED FOR YIELDING MOVEMENT IN RESPONSE TO RELATIVE MOVEMENT OF SAID CYLINDER HEAD AND SAID CYLINDER MEANS TOWARD EACH OTHER, MEANS FOR LIMITING SAID PRESSURE AND SAID YIELDING MOVEMENT COMPRISING EXTREMELY HARD METALLIC ABUTMENT MEANS BETWEEN SAID CYLINDER HEAD AND SAID CYLINDER MEANS, SAID ABUTMENT MEANS CONSISTING OF A SOLID METAL PLATE.
Claim 2
Dependent Claim
139 words
A CYLINDER HEAD SEAL, ESPECIALLY FOR INTERNAL COMBUSTION ENGINES COMPRISING A CYLINDER HEAD AND CYLINDER MEANS PROVIDED WITH CYLINDER LINER MEANS, SAID CYLINDER LINER MEANS INCLUDING A LINER COLLAR PORTION, AND MEANS TRANSMITTING PRESSURE FROM SAID CYLINDER HEAD TO SAID LINER COMPRISING ELASTIC METALLIC SEAL MEANS BETWEEN SAID CYLINDER HEAD AND SAID COLLAR PORTION, AND MEANS EFFECTIVELY SHIELDING SAID ELASTIC SEAL MEANS AGAINST THE EFFECT OF THE HOT COMBUSTION GASES, SAID ELASTIC SEAL MEANS COMPRISING A YIELDABLE METALLIC RING MEMBER HAVING A PORTION OF U-SHAPED CROSS SECTION ADAPTED FOR YIELDING MOVEMENT IN RESPONSE TO RELATIVE MOVEMENT OF SAID CYLINDER HEAD AND SAID CYLINDER MEANS TOWARD EACH OTHER, MEANS FOR LIMITING SAID PRESSURE AND SAID YIELDING MOVEMENT COMPRISING EXTREMELY HARD METALLIC ABUTMENT MEANS BETWEEN SAID CYLINDER HEAD AND SAID CYLINDER MEANS, SAID ABUTMENT MEANS CONSISTING OF A SOLID METAL PLATE.
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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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |