US2682142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter element for rotary mowers
Assignee: WHIRLWIND Inc
•
Filing: 1951-03-15
•
Granted: 1954-06-29
•
Expires: 1971-03-15
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:14
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73; A01D34/736
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US13205A
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US1317212A
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US1054256A
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US1467279A
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US1656105A
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US1710749A
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US2474557A
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US2547540A
Cited
US2550144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |