US3054649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pore filled metal wear surfaces and method of pore filling the same
Assignee: Fairbanks Morse and Co
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Filing: 1961-10-03
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Granted: 1962-09-18
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Walter C Arnold
- 👤 Edward F Tinder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:35
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/12; F16J9/22; F02; F02F; F02F1/00; F02F1/18; F02F1/20; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/24; F16J10/00; F16J10/02; F16J10/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN ENGINE CYLINDER PROVIDED WITH A PISTON RINGENGAGING WEAR SURFACE HAVING A MULTIPLICITY OF IRREGULAR RECESSES THEREIN, AND MATERIAL FILLING SAID RECESSES, SAID MATERIAL COMPRISING FINELY DIVIDED NON-METALLIC PARTICLES CHARACTERIZED BY OIL-WETTABILITY AND A LOW COEFFICIENT OF
Claim 2
Dependent Claim
37 words
AN ENGINE CYLINDER PROVIDED WITH A PISTON RINGENGAGING WEAR SURFACE HAVING A MULTIPLICITY OF IRREGULAR RECESSES THEREIN, AND MATERIAL FILLING SAID RECESSES, SAID MATERIAL COMPRISING FINELY DIVIDED NON-METALLIC PARTICLES CHARACTERIZED BY OIL-WETTABILITY AND A LOW COEFFICIENT OF
References Cited (Backward Citations)
CA563863A
Cited
US2846943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |