US2506548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission device
Assignee: ROXY LAWNSHEAR Corp
•
Filing: 1947-04-01
•
Granted: 1950-05-02
•
Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 Wilbert H Hannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:28
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/30; F; F16; F16H; F16H7/00; F16H7/08; F16H7/0827
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |