US2920729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutches for machine drives
Assignee: Schloemann AG
•
Filing: 1955-04-21
•
Granted: 1960-01-12
•
Expires: 1975-04-21
Abstract
No abstract record available.
Inventors
- 👤 Breuer Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:32
CPC Classifications
F; F16; F16D; F16D71/00; F16D71/02; F16D67/00; F16D67/02; F16D67/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/1914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636138A
Cited
US2598633A
Cited
US2612248A
Cited
GB750603A
Cited
DE944041C
Cited
US2836276A
Cited
US2755687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |