US1691978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch
Assignee: BEEMAN TRACTOR Co
•
Filing: 1920-08-30
•
Granted: 1928-11-20
•
Expires: 1940-08-30
Abstract
No abstract record available.
Inventors
- 👤 Liedtke Arthur John
- 👤 Travers Charles Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:52
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/24; F16D13/26; F16D23/00; F16D23/12
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) | 1931-11-20 | 1932-05-21 | 1932-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-20 | 1936-05-21 | 1936-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-20 | 1940-05-21 | 1940-11-20 | $7700.00 | Window Closed / Lapsed |