US2683318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulldozing tractor
Assignee: Keppel LeTourneau USA Inc
•
Filing: 1949-06-04
•
Granted: 1954-07-13
•
Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 Tourneau Robert G Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:40
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/04; E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/844; E02F3/848; E02F9/00; E02F9/02; Y; Y10; Y10S; Y10S180/00; Y10S180/908
Claims Analysis
Total Claims: 0
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US2375801A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |