Patent US2504259A successfully refreshed from Google Patents.
US2504259A
Expired / Lapsed
US
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Mower
Assignee: Individual
•
Filing: 1947-07-15
•
Granted: 1950-04-18
•
Expires: 1967-07-15
Abstract
No abstract record available.
Inventors
- 👤 Foster M Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:57
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D2101/00; Y; Y10; Y10S; Y10S30/00; Y10S30/05; Y10S56/00; Y10S56/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US843691A
Cited
US1202472A
Cited
US1819133A
Cited
US1823215A
Cited
US1947117A
Cited
US2134115A
Cited
US2194617A
Cited
US2302472A
Cited
US2478558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |