US3409506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microbiological production of esters
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-12-08
•
Granted: 1968-11-05
•
Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J Stevens
- 👤 John W Frankenfeld
- 👤 Jr John D Douros
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:04
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/64; C12P7/6436; C12P7/6445; C12P7/6463; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/859
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3169099A
Cited
US3326770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |