US2594155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake-holder control mechanism
Assignee: WICO ELECTRIC Co
•
Filing: 1950-02-23
•
Granted: 1952-04-22
•
Expires: 1970-02-23
Abstract
No abstract record available.
Inventors
- 👤 Glen A Guernsey
- 👤 Kenneth A Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:10
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/103; Y; Y10; Y10S; Y10S188/00; Y10S188/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2028491A
Cited
US2156782A
Cited
US2313430A
Cited
US2272320A
Cited
US2334611A
Cited
US2329156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |