Patent US3391524A successfully refreshed from Google Patents.
US3391524A
Expired / Lapsed
US
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Safety guard for power mowers
Assignee: ALEX M NICKOLOFF
•
Filing: 1965-10-12
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Granted: 1968-07-09
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Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Alex M Nickoloff
- 👤 John C Finfrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:37
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/82; A01D34/828; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2578880A
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US2495032A
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US2806339A
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US2973613A
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US3077065A
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US3040503A
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US3190061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |