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Patent US1867409A successfully refreshed from Google Patents.
US1867409A
Expired / Lapsed
US
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Load brake for hoists
Assignee: Euclid Crane and Hoist Co
•
Filing: 1930-08-18
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Granted: 1932-07-12
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Expires: 1950-08-18
Abstract
No abstract record available.
Inventors
- 👤 Winfred H Juergens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:31
CPC Classifications
B; B66; B66D; B66D5/00; B66D2700/00; B66D2700/03; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/2048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-07-12 | 1936-01-11 | 1936-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-12 | 1940-01-11 | 1940-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-12 | 1944-01-11 | 1944-07-12 | $7700.00 | Window Closed / Lapsed |