US2959496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanoethylation of wood
Assignee: Individual
•
Filing: 1957-09-06
•
Granted: 1960-11-08
•
Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Roy H Baechler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:13
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/34; B27K3/346; C; C08; C08L; C08L97/00; C08L97/02; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08L33/00; C08L33/18; C08L33/20; Y; Y10; Y10S; Y10S8/00; Y10S8/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US955762A
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US987888A
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US1680529A
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US2332049A
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US2375847A
Cited
US2473308A
Cited
US2535690A
Cited
US2794736A
Cited
US2786258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |