US2869311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade for rotary lawn mower
Assignee: FRONTIER DEV Co
•
Filing: 1956-11-14
•
Granted: 1959-01-20
•
Expires: 1976-11-14
Abstract
No abstract record available.
Inventors
- 👤 Jr John T Beeston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:05
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US754008A
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US1033001A
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GB339618A
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US2083103A
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US2070959A
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US2319947A
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US2592755A
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US2576884A
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US2635663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |