US3402104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous fermentation of glutamic acid
Assignee: Merck and Co Inc
•
Filing: 1965-11-29
•
Granted: 1968-09-17
•
Expires: 1985-11-29
Abstract
No abstract record available.
Inventors
- 👤 James H Gore
- 👤 Harold B Reisman
- 👤 Charles H Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:55
CPC Classifications
C; C12; C12P; C12P13/00; C12P13/04; C12P13/14; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/819; Y10S435/8215; Y10S435/822; Y10S435/859; Y10S435/861
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |