Patent US2875569A successfully refreshed from Google Patents.
US2875569A
Expired / Lapsed
US
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Blade mounting means for rotary disc type mower
Assignee: Individual
•
Filing: 1956-07-09
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Granted: 1959-03-03
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Wilbur C Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:59
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73; A01D34/733
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US998615A
Cited
GB339618A
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US1954579A
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US2539619A
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US2643502A
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US2592755A
Cited
US2721438A
Cited
US2687607A
Cited
US2685160A
Cited
US2699636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |