US2645043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ditch digging attachment for vehicles
Assignee: Godfrey L Cabot Inc
•
Filing: 1948-04-22
•
Granted: 1953-07-14
•
Expires: 1968-04-22
Abstract
No abstract record available.
Inventors
- 👤 Booton Roy
- 👤 Gilbert C Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:35
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F3/00; E02F3/04; E02F3/76; E02F3/7609; E02F3/7613; E02F3/769; E02F5/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194166A
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US1358836A
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US2190056A
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US2235913A
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US2309223A
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US2230704A
Cited
US2358495A
Cited
US2364657A
Cited
US2452408A
Cited
US2420027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |