US1981870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic power transmitting device
Assignee: Individual
•
Filing: 1933-05-16
•
Granted: 1934-11-27
•
Expires: 1953-05-16
Abstract
No abstract record available.
Inventors
- 👤 Edward C Magdeburger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:13
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/10; F16J1/14; F16J1/16; F02; F02B; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B3/00; F02B3/06
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) | 1937-11-26 | 1938-05-28 | 1938-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-26 | 1942-05-28 | 1942-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-26 | 1946-05-28 | 1946-11-27 | $7700.00 | Window Closed / Lapsed |