US2733648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk harrow bearing assembly
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:06
CPC Classifications
A; A01; A01B; A01B15/00; A01B15/16; A01B23/00; A01B23/06; F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/084; F16C35/00; F16C35/04; F16C35/042; F16C35/045; F16C19/00; F16C19/02; F16C19/04; F16C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2097244A
Cited
US2247685A
Cited
US2294234A
Cited
US2566991A
Cited
US2676853A
Cited
US2657957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |