Patent US2697975A successfully refreshed from Google Patents.
US2697975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool mounting for agricultural implements
Assignee: Allis Chalmers Corp
•
Filing: 1949-03-30
•
Granted: 1954-12-28
•
Expires: 1969-03-30
Abstract
No abstract record available.
Inventors
- 👤 August G Buhr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:30
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/03; A01D34/06; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057; Y10T403/32073; Y10T403/32254; Y10T403/32262; Y10T403/32532
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US292795A
Cited
US1254618A
Cited
US1298209A
Cited
US1498008A
Cited
FR646432A
Cited
US1761465A
Cited
US2601165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |