US2529208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulldozer attachment
Assignee: CERTIFIED EQUIPMENT CORP
•
Filing: 1946-02-20
•
Granted: 1950-11-07
•
Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 Andersen Tengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/769
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997001A
Cited
US2163662A
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US2290137A
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US2216572A
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US2303001A
Cited
US2334374A
Cited
US2307655A
Cited
US2332561A
Cited
US2483006A
Cited
US2404926A
Cited
US2450905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |