US3421919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrocellulose latices comprising both overplasticized and underplasticized nitrocellulose particles
Assignee: Hercules LLC
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Filing: 1966-04-18
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Granted: 1969-01-14
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Kuang Farn Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:51
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C09D101/00; C09D101/08; C09D101/16; C09D101/18; C09D155/00; C09D155/04; C09D161/22; C09D161/24; C09D167/00; C09D167/08
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |