US2521059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming cutter blades and reels for lawn mowers and the like
Assignee: Pioneer Gen E Motor Corp
•
Filing: 1945-08-02
•
Granted: 1950-09-05
•
Expires: 1965-08-02
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:55
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/60; B21D53/64; B21D53/647; A; A01; A01D; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1339152A
Cited
US1798314A
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GB280337A
Cited
US1876693A
Cited
US1942608A
Cited
US2043098A
Cited
US2266308A
Cited
US2257867A
Cited
US2303055A
Cited
US2344313A
Cited
US2388165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |