US2855742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn trimmer and edger construction
Assignee: Individual
•
Filing: 1955-04-18
•
Granted: 1958-10-14
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Allyn R Cooper
- 👤 Harold M Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:37
CPC Classifications
A; A01; A01G; A01G3/00; A01G3/06; A01G3/062; A01D; A01D34/00; A01D34/835; A01D34/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US878867A
Cited
US2546265A
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US2680945A
Cited
US2721433A
Cited
US2691264A
Cited
US2690636A
Cited
US2724230A
Cited
US2739437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |