US2843947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulldozer and loader attachment
Assignee: A C ANDERSON Inc
•
Filing: 1953-06-11
•
Granted: 1958-07-22
•
Expires: 1973-06-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Anderson
- 👤 Andersen Tengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/769; E02F3/7609; E02F3/7613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2163662A
Cited
US2182781A
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US2233237A
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US2339518A
Cited
GB632890A
Cited
US2537010A
Cited
US2660816A
Cited
US2708526A
Cited
US2755572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |