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US2530732A
Expired / Lapsed
US
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Sickle bar mower
Assignee: Individual
•
Filing: 1948-05-10
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Granted: 1950-11-21
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Expires: 1968-05-10
Abstract
No abstract record available.
Inventors
- 👤 Jacob A Ronning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:33
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US796268A
Cited
US1200983A
Cited
US1567013A
Cited
US1599463A
Cited
US1620795A
Cited
US2335541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |