US2903294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grapple for material handling and earth moving apparatus
Assignee: Warner and Swasey Co
•
Filing: 1955-12-29
•
Granted: 1959-09-08
•
Expires: 1975-12-29
Abstract
No abstract record available.
Inventors
- 👤 William M Shook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:37
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/413; E02F3/4136; B; B66; B66C; B66C3/00; B66C3/14; B66C3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2226789A
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US2229800A
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US2672364A
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US2778514A
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US2765939A
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US2725996A
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US2789716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |