Patent US2852642A successfully refreshed from Google Patents.
Patent US2581364A successfully refreshed from Google Patents.
US2581364A
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US
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Drum-handling attachment for industrial trucks
Assignee: Individual
•
Filing: 1946-08-02
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Granted: 1952-01-08
•
Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
- 👤 Walton W Cushman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/187; Y; Y10; Y10S; Y10S414/00; Y10S414/123; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/44581
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |