Patent US1320554A successfully refreshed from Google Patents.
Patent US2948544A successfully refreshed from Google Patents.
US2948544A
Expired / Lapsed
US
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Wheel-adjusting mechanisms for lawn mowers
Assignee: Individual
•
Filing: 1958-05-08
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Granted: 1960-08-09
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Expires: 1978-05-08
Abstract
No abstract record available.
Inventors
- 👤 George L Rowe
- 👤 Herbert P Spindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:43
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/74; A01D34/42; A01D34/62; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US934480A
Cited
US1973098A
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US2042489A
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US2263368A
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US2480909A
Cited
US2709602A
Cited
US2728582A
Cited
US2776844A
Cited
US2788219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |