US2718075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Front ripper for bulldozers
Assignee: Preco LLC
•
Filing: 1954-06-14
•
Granted: 1955-09-20
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 David E Macleod
- 👤 Fuchs Henry Otten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:43
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8152; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44504; Y10T292/00; Y10T292/20; Y10T292/221; Y10T292/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297677A
Cited
US2523760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |