Patent US1437508A successfully refreshed from Google Patents.
US1437508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower
Assignee: Individual
•
Filing: 1920-07-20
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Granted: 1922-12-05
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Expires: 1940-07-20
Abstract
No abstract record available.
Inventors
- 👤 William H Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:05
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/17
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) | 1925-12-04 | 1926-06-05 | 1926-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-12-04 | 1930-06-05 | 1930-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-12-04 | 1934-06-05 | 1934-12-05 | $7700.00 | Window Closed / Lapsed |