Patent US2689620A successfully refreshed from Google Patents.
US2689620A
Expired / Lapsed
US
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Driving assembly for lawn mowers
Assignee: Individual
•
Filing: 1949-09-06
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Granted: 1954-09-21
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Expires: 1969-09-06
Abstract
No abstract record available.
Inventors
- 👤 Oscar T Hainke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:32
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/6806; A01D2034/6843; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2408459A
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US2500168A
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US2476526A
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US2453819A
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US2474524A
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US2564586A
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US2591746A
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US2582177A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |