US2701511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp support for plow shanks
Assignee: US Bank NA
•
Filing: 1950-06-29
•
Granted: 1955-02-08
•
Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 William T Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:59
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; A01B35/02; A01B35/04; A01B35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1141804A
Cited
FR576024A
Cited
US1685478A
Cited
US1805599A
Cited
AU2884430A
Cited
US2257650A
Cited
GB613310A
Cited
US2493811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |