Patent US3451883A successfully refreshed from Google Patents.
US3451883A
Expired / Lapsed
US
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Method for shaping a material impregnated with a nitrocellulose-plasticizer hydrosol and the resulting shaped article
Assignee: Hercules LLC
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Filing: 1966-08-09
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Granted: 1969-06-24
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Expires: 1986-08-09
Abstract
No abstract record available.
Inventors
- 👤 Mark Plunguian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:59
CPC Classifications
F; F42; F42B; F42B1/00; C; C08; C08L; C08L1/00; C08L1/08; C08L1/16; C08L1/18; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18; C09D5/00; C09D5/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |