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Patent US2687607A successfully refreshed from Google Patents.
US2687607A
Expired / Lapsed
US
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Lawn mower and mulcher
Assignee: Individual
•
Filing: 1951-06-07
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Granted: 1954-08-31
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Expires: 1971-06-07
Abstract
No abstract record available.
Inventors
- 👤 Edward R Sewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:21
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2471367A
Cited
US2578880A
Cited
US2491544A
Cited
US2502696A
Cited
US2521972A
Cited
US2539779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |