US2427461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic tractor loader
Assignee: Individual
•
Filing: 1945-03-13
•
Granted: 1947-09-16
•
Expires: 1965-03-13
Abstract
No abstract record available.
Inventors
- 👤 Harry L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:58
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/08; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1149951A
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US1164455A
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US1249877A
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US1998434A
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US2278656A
Cited
US2295917A
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US2332742A
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US2363986A
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US2300731A
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US2349335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |