US2424192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way plow
Assignee: Individual
•
Filing: 1944-01-01
•
Granted: 1947-07-15
•
Expires: 1964-01-01
Abstract
No abstract record available.
Inventors
- 👤 Rogers Harry
- 👤 Mellen William Fisk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:04
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B3/40; A01B3/44; A01B3/24; A01B3/28; A01B3/34; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588; Y10T74/20594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194166A
Cited
US1362277A
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US1410917A
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GB163961A
Cited
US2118180A
Cited
US2187380A
Cited
US2204487A
Cited
GB544041A
Cited
US2332741A
Cited
US2364367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |