US3052049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth moving devices
Assignee: Individual
•
Filing: 1958-02-18
•
Granted: 1962-09-04
•
Expires: 1978-02-18
Abstract
No abstract record available.
Inventors
- 👤 Cecil L Elenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:33
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/653; E02F3/6409; E02F3/6436; E02F3/654; E02F3/656; E02F3/657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2074565A
Cited
US2107119A
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US2121565A
Cited
US2253745A
Cited
US2271790A
Cited
US2258038A
Cited
US2464110A
Cited
US2597496A
Cited
US2677202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |