US2773320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digging and carrying scraper
Assignee: Motors Liquidation Co
•
Filing: 1952-05-14
•
Granted: 1956-12-11
•
Expires: 1972-05-14
Abstract
No abstract record available.
Inventors
- 👤 Edward R Fryer
- 👤 William J Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:48
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/653; E02F3/6454; E02F3/6481; E02F3/654; E02F3/656; E02F3/657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2345313A
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US2154503A
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US2567118A
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US2529848A
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US2573765A
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US2662312A
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US2650440A
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US2674815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |