Patent US2643502A successfully refreshed from Google Patents.
US2643502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power lawn mower of the rotating cutting disk type
Assignee: Individual
•
Filing: 1949-07-05
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Granted: 1953-06-30
•
Expires: 1969-07-05
Abstract
No abstract record available.
Inventors
- 👤 Clifford H Flanigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:30
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/82; A01D34/822; A01D34/76; A01D34/78; A01D34/828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US984327A
Cited
US1805927A
Cited
US1954579A
Cited
US2017524A
Cited
US2062820A
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US2134609A
Cited
US2200799A
Cited
US2167222A
Cited
US2232671A
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US2265545A
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US2245821A
Cited
US2403236A
Cited
US2417613A
Cited
US2552951A
Cited
US2521972A
Cited
US2480922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |