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US2687606A
Expired / Lapsed
US
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Mower attachment for tractors
Assignee: Individual
•
Filing: 1951-09-05
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Granted: 1954-08-31
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Expires: 1971-09-05
Abstract
No abstract record available.
Inventors
- 👤 Sr Homer C Greer
- 👤 William G Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:26
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/03; A01D34/04
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) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |