US2975839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable power unit for lawn and garden attachments
Assignee: FMC Corp
•
Filing: 1956-09-13
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Granted: 1961-03-21
•
Expires: 1976-09-13
Abstract
No abstract record available.
Inventors
- 👤 Milford D Burrows
- 👤 Walter F Fieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:57
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/6806; A01B; A01B33/00; A01B33/02; A01B33/028; A01B51/00; A01B51/02; A01D42/00; A01D69/00; B; B62; B62D; B62D51/00; B62D51/04; A01D2034/6843; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2533804A
Cited
US2641889A
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US2532230A
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US2695071A
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US2611461A
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US2690637A
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US2711805A
Cited
GB702236A
Cited
US2792770A
Cited
US2864294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |