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Patent US3464942A successfully refreshed from Google Patents.
US3464942A
Expired / Lapsed
US
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Sizing compositions for glass fibers
Assignee: GAF Corp
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Filing: 1967-09-18
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Granted: 1969-09-02
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Expires: 1987-09-18
Abstract
No abstract record available.
Inventors
- 👤 Gopadi S Hathwar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:03
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/323; C03C25/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2874135A
Cited
US2563288A
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US2951772A
Cited
US3025588A
Cited
US3155533A
Cited
US3238157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |