US2548270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoist
Assignee: Joy Manufacturing Co
•
Filing: 1945-12-06
•
Granted: 1951-04-10
•
Expires: 1965-12-06
Abstract
No abstract record available.
Inventors
- 👤 Charles F Osgood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:51
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/26; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0166; B66D2700/0175
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1906219A
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US1941158A
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US2092774A
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US2261382A
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US2348904A
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US2361858A
Cited
US2427471A
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US2350120A
Cited
US2403095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |