US3418312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing soluble trimethylsilylated cellulose
Assignee: General Electric Co
•
Filing: 1966-09-09
•
Granted: 1968-12-24
•
Expires: 1986-09-09
Abstract
No abstract record available.
Inventors
- 👤 Johann F Klebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
C; C08; C08B; C08B15/00; C08B15/05; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2562955A
Cited
US2824778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |