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US2440554A
Expired / Lapsed
US
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Process for the recovery of rubber in plants by fermenting with clostridium
Assignee: United States Department of Agriculture
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Filing: 1945-03-27
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Granted: 1948-04-27
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Expires: 1965-03-27
Abstract
No abstract record available.
Inventors
- 👤 Naghski Joseph
- 👤 Jr Jonathan W White
- 👤 Samuel R Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:36
CPC Classifications
C; C12; C12P; C12P5/00; C12P5/02; C12P5/007; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/842
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) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |