US2972849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power lawn mower with guard attachment
Assignee: Individual
•
Filing: 1958-08-08
•
Granted: 1961-02-28
•
Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
- 👤 Charles A Ridenour
- 👤 Apt J Chester
- 👤 Francis D Irwin
- 👤 Everett R Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:49
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |