US1909622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the propagation of culture germs for the inoculation of nitrogen gathering plants, such as legumes
Assignee: Individual
•
Filing: 1927-01-17
•
Granted: 1933-05-16
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Expires: 1947-01-17
Abstract
No abstract record available.
Inventors
- 👤 Frank J Matchette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:18
CPC Classifications
C; C05; C05F; C05F11/00; C05F11/08; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/939
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) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |