US2945333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for polishing
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1950-06-02
•
Granted: 1960-07-19
•
Expires: 1970-06-02
Abstract
No abstract record available.
Inventors
- 👤 Touvay Robert
- 👤 Martin Philippe Tommy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:42
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1454; C09K3/1472; B; B24; B24B; B24B1/00; B24B7/00; B24B7/20; B24B7/22; B24B7/24; B24B7/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2027962A
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US2057882A
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AT150924B
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US2235507A
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US2188396A
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US2279450A
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US2309831A
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US2309819A
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US2434614A
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US2450433A
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US2460367A
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US2434207A
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FR1005922A
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US2597182A
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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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |