US2695086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed hoist
Assignee: Columbus McKinnon Chain Corp
•
Filing: 1949-05-10
•
Granted: 1954-11-23
•
Expires: 1969-05-10
Abstract
No abstract record available.
Inventors
- 👤 Humphrey F Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:28
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B66D1/12; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US549542A
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US786418A
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US873312A
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US1233877A
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US2265891A
Cited
US2543394A
Cited
US2541831A
Cited
US2519449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |