Patent US3094815A successfully refreshed from Google Patents.
US3094815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing apparatus
Assignee: Individual
•
Filing: 1961-10-02
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Granted: 1963-06-25
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond F Pendergast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:24
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/10; B24B21/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A POLISHING APPARATUS HAVING IN COMBINATION, A POLISHING HEAD ASSEMBLY, A SUPPORTING FRAME, MEANS CARRIED BY SAID FRAME FOR ADJUSTABLY HOLDING SAID POLISHING HEAD ASSEMBLY, A PAIR OF SPACED POLISHING HEADS CARRIED BY SAID ASSEMBLY, A POLISHING BELT PASSING OVER EACH OF SAID POLISHING HEADS, MEANS FOR RESPECTIVELY SUPPORTING SAID BELTS, MEANS FOR MOVING SAID BELTS, MEANS FOR AUTO-
Claim 2
Dependent Claim
59 words
A POLISHING APPARATUS HAVING IN COMBINATION, A POLISHING HEAD ASSEMBLY, A SUPPORTING FRAME, MEANS CARRIED BY SAID FRAME FOR ADJUSTABLY HOLDING SAID POLISHING HEAD ASSEMBLY, A PAIR OF SPACED POLISHING HEADS CARRIED BY SAID ASSEMBLY, A POLISHING BELT PASSING OVER EACH OF SAID POLISHING HEADS, MEANS FOR RESPECTIVELY SUPPORTING SAID BELTS, MEANS FOR MOVING SAID BELTS, MEANS FOR AUTO-
References Cited (Backward Citations)
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US2170792A
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US2272651A
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US2284556A
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US2741880A
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US2673423A
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US2701937A
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US2843977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |