US3004336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reconditioning worn-out surfaces of aluminum alloy pistons
Assignee: Individual
•
Filing: 1959-10-12
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Granted: 1961-10-17
•
Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Harijs B Timuska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:37
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/04; F02; F02F; F02F3/00; F02F3/10; F02F3/105; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/04; F05C2201/0433; F05C2201/0448; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249; Y10T29/4925; Y10T29/49256; Y10T29/49263; Y10T29/49718; Y10T29/49746; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A METHOD OF RECONDITIONING THE SURFACE OF AN ALUMINUM BODY INCLUDING THE STEPS OF THROUGHLY CLEANING THE SURFACE OF THE SAID ALUMINUM BODY, REMOVING A LAYER OF THE CLEANED SURFACE BY MACHINING, SUCTING SPACED ANNULAR GROOVES INTO SAID MACHINED SURFACE, KNURLING THE UNCUT PORTIONS OF SAID MACHINED SURFACE, SPRAYING A THIN COATING OF STEEL UPON THE SAID KNURLED AND GROOVED SURFACE, SPRAYING A COATING OF ALUMINUM ALLOY HAVING A SILICON CONTENT OF ABOUT 8% AND A COPPER CONTENT OF ABOUT 4% UPON THE SPRAYED COATING OF STEET, SAID ALUMINUM ALLOY COATING FILLING SAID GROOVES AND BUILDING UP SAID ALUMINUM BODY TO DIMENSIONS LARGER THAN THE OIGINAL DIMENSIONS OF SAID BODY, AND REDUCING SAID LARGER DIMENSIONS BY MACHINING THE SURFACES OF THE SPRAYED COATILNG OF ALUMINUM ALLOY TO REPRODUCE THE ORIGINAL SHAPE OF SAID ALUMINUM BODY.
Claim 2
Independent Claim
135 words
A METHOD OF RECONDITIONING THE SURFACE OF AN ALUMINUM BODY INCLUDING THE STEPS OF THROUGHLY CLEANING THE SURFACE OF THE SAID ALUMINUM BODY, REMOVING A LAYER OF THE CLEANED SURFACE BY MACHINING, SUCTING SPACED ANNULAR GROOVES INTO SAID MACHINED SURFACE, KNURLING THE UNCUT PORTIONS OF SAID MACHINED SURFACE, SPRAYING A THIN COATING OF STEEL UPON THE SAID KNURLED AND GROOVED SURFACE, SPRAYING A COATING OF ALUMINUM ALLOY HAVING A SILICON CONTENT OF ABOUT 8% AND A COPPER CONTENT OF ABOUT 4% UPON THE SPRAYED COATING OF STEET, SAID ALUMINUM ALLOY COATING FILLING SAID GROOVES AND BUILDING UP SAID ALUMINUM BODY TO DIMENSIONS LARGER THAN THE OIGINAL DIMENSIONS OF SAID BODY, AND REDUCING SAID LARGER DIMENSIONS BY MACHINING THE SURFACES OF THE SPRAYED COATILNG OF ALUMINUM ALLOY TO REPRODUCE THE ORIGINAL SHAPE OF SAID ALUMINUM BODY.
References Cited (Backward Citations)
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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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |