US2870926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifter attachment for material handling and earth moving apparatus
Assignee: Warner and Swasey Co
•
Filing: 1957-05-06
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Granted: 1959-01-27
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 William M Shook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:32
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/283; E02F3/286; B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/24; B66C1/68; B66C13/00; B66C13/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |