US2131797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission means for control members
Assignee: Individual
•
Filing: 1934-12-06
•
Granted: 1938-10-04
•
Expires: 1954-12-06
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:11
CPC Classifications
G; G04; G04B; G04B47/00; G04B47/003; H; H03; H03J; H03J1/00; H03J1/06; H03J1/10; H04; H04R; H04R1/00; H04R1/02; H04R1/021
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) | 1941-10-03 | 1942-04-04 | 1942-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-03 | 1946-04-04 | 1946-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-03 | 1950-04-04 | 1950-10-04 | $7700.00 | Window Closed / Lapsed |