US2157620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower attachment
Assignee: Bendix Aviation Corp
•
Filing: 1936-03-25
•
Granted: 1939-05-09
•
Expires: 1956-03-25
Abstract
No abstract record available.
Inventors
- 👤 William L Mcgrath
- 👤 Malcolm P Ferguson
- 👤 Maurice P Whitney
- 👤 Daniel L Wertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:04
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/001; A01D42/00; A01D42/02; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/13
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) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |