Patent US3048061A successfully refreshed from Google Patents.
US3048061A
Expired / Lapsed
US
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Ceramic coated bushings and allied products
Assignee: American Drill Bushing Co
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Filing: 1961-01-09
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Granted: 1962-08-07
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Mele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:26
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/02; B23B49/023; C; C23; C23C; C23C24/00; Y; Y10; Y10T; Y10T408/00; Y10T408/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A DRILL BUSHING COMPRISING AN INSIDE GENERALLY CYLINDRICAL METAL BUSHING HAVING A DRILL PASSAGE THERETHROUGH AND OPPOSED CIRCULAR END SURFACES DEFINING THE END OPENINGS OF THE DRILL PASSAGE, SAID METAL BUSHING HAVING A CIRCUMFERENTIALLY CONTINUOUS SIDE WALL EXTENDING TO AND BETWEEN SAID END SURFACES AND HAVING A PATTERN OF CONFIGURATIONS ON THE EXTERIOR SURFACE OF SAID SIDE WALL, AND A COATING OF CERAMIC MATERIAL COMPLETELY ENVELOPING SAID EXTERIOR SIDE SURFACE, SAID COATING BEING FLAME SPRAYED ON SAID EXTERIOR SURFACE, AND HAVING ON THE OUTSIDE AREA OF THE COATING A MODIFIED REPLICA OF THE EXTERIOR SURFACE OF
Claim 2
Dependent Claim
96 words
A DRILL BUSHING COMPRISING AN INSIDE GENERALLY CYLINDRICAL METAL BUSHING HAVING A DRILL PASSAGE THERETHROUGH AND OPPOSED CIRCULAR END SURFACES DEFINING THE END OPENINGS OF THE DRILL PASSAGE, SAID METAL BUSHING HAVING A CIRCUMFERENTIALLY CONTINUOUS SIDE WALL EXTENDING TO AND BETWEEN SAID END SURFACES AND HAVING A PATTERN OF CONFIGURATIONS ON THE EXTERIOR SURFACE OF SAID SIDE WALL, AND A COATING OF CERAMIC MATERIAL COMPLETELY ENVELOPING SAID EXTERIOR SIDE SURFACE, SAID COATING BEING FLAME SPRAYED ON SAID EXTERIOR SURFACE, AND HAVING ON THE OUTSIDE AREA OF THE COATING A MODIFIED REPLICA OF THE EXTERIOR SURFACE OF
References Cited (Backward Citations)
US2707691A
Cited
US2843646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |