US2667724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel support for tandem disk harrows
Assignee: International Motors LLC
•
Filing: 1948-12-04
•
Granted: 1954-02-02
•
Expires: 1968-12-04
Abstract
No abstract record available.
Inventors
- 👤 Arnold E W Johnson
- 👤 John R Orelind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:17
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/24; A01B63/32; A01B23/00; A01B23/04; A01B23/046; A01B63/16; A01B63/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US919854A
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US2336410A
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US2356876A
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US2349257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |