US2893262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency brakes and releases therefor
Assignee: Chicago Forging and Manufacturing Co
•
Filing: 1954-01-11
•
Granted: 1959-07-07
•
Expires: 1974-01-11
Abstract
No abstract record available.
Inventors
- 👤 Krause Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:13
CPC Classifications
G; G05; G05G; G05G7/00; G05G7/02; G05G2700/00; G05G2700/12; G05G2700/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20648; Y10T74/20672; Y10T74/2069; Y10T74/20696; Y10T74/20702; Y10T74/21; Y10T74/2133; Y10T74/2136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US719806A
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US1493760A
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US1980703A
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US2182279A
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US2294002A
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US2309454A
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US2308898A
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US2467557A
Cited
US2587725A
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US2722136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |