US2619890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tillage implement frame
Assignee: Individual
•
Filing: 1946-08-17
•
Granted: 1952-12-02
•
Expires: 1966-08-17
Abstract
No abstract record available.
Inventors
- 👤 Milner E Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:09
CPC Classifications
A; A01; A01B; A01B51/00; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/7003; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US67483A
Cited
US75871A
Cited
GB190210164A
Cited
US1523072A
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US1532986A
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US1732724A
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US1888945A
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US1984916A
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US2179089A
Cited
US2430223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |