US2408853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guayule rubber by fermentation
Assignee: United States Department of Agriculture
•
Filing: 1944-07-21
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Granted: 1946-10-08
•
Expires: 1964-07-21
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Hoover
- 👤 Paul J Allen
- 👤 Naghski Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:22
CPC Classifications
C; C12; C12P; C12P5/00; C12P5/02; C12P5/007; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874; Y10S435/911; Y10S435/913; Y10S435/916; Y10S528/00; Y10S528/93; Y10S528/931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-10-07 | 1950-04-08 | 1950-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-07 | 1954-04-08 | 1954-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-07 | 1958-04-08 | 1958-10-08 | $7700.00 | Window Closed / Lapsed |