US2466905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower sharpener
Assignee: Individual
•
Filing: 1945-12-03
•
Granted: 1949-04-12
•
Expires: 1965-12-03
Abstract
No abstract record available.
Inventors
- 👤 Fred J Machovec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:12
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/36; B24B3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595125A
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US1605890A
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US805127A
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US956237A
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US2088402A
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US2180911A
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US2315794A
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US2286970A
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US2281055A
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US2405468A
Cited
US2377126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |