US2992524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower cleaning device
Assignee: Individual
•
Filing: 1958-03-13
•
Granted: 1961-07-18
•
Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 Roy E Stabnau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:40
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/001; A01D34/003; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1336257A
Cited
US1631381A
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US1752823A
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US2155220A
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US2504416A
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US2639947A
Cited
US2566324A
Cited
US2650132A
Cited
US2742751A
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US2796714A
Cited
US2936563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |