US2778183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower trimmer attachment
Assignee: Individual
•
Filing: 1953-11-24
•
Granted: 1957-01-22
•
Expires: 1973-11-24
Abstract
No abstract record available.
Inventors
- 👤 William V Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:00
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2193712A
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US2478587A
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US2435192A
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US2496327A
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US2483683A
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US2618919A
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US2653381A
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US2664925A
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US2721432A
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US2676447A
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US2632990A
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US2663137A
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US2719400A
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US2666287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |