Patent US3075222A successfully refreshed from Google Patents.
US3075222A
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US
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Polishing pad
Assignee: Butcher Co
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Filing: 1959-11-04
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Granted: 1963-01-29
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Expires: 1979-11-04
Abstract
No abstract record available.
Inventors
- 👤 Clarence S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:09
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164; A47L13/00; A47L13/10; A47L13/16; B; B24; B24D; B24D11/00; B24D11/001; B24D11/005; B24D11/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187140A
Cited
US2772181A
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GB762467A
Cited
US2789075A
Cited
FR1130940A
Cited
US2886841A
Cited
US2964421A
Cited
US2958593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |