Patent US3373053A successfully refreshed from Google Patents.
US3373053A
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Assignee: Dow Silicones Corp
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Filing: 1964-09-03
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Granted: 1968-03-12
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Expires: 1984-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harold A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:51
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03F; G03F7/00; G03G; G03G13/00; G03G7/00; G03G7/006; G03G7/0066; G03G7/0073; G03G7/008; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2706190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |