US2812630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary supporting means for tractor mounted mower
Assignee: MASSEY HARRIS FERGUSON Inc
•
Filing: 1954-06-23
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Granted: 1957-11-12
•
Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Lee E Elfes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:22
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/03; A01D34/032; A01D34/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1570415A
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US2176992A
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US2136834A
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US2245451A
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US2318202A
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US2387070A
Cited
US2533804A
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US2580265A
Cited
US2663134A
Cited
US2743568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |