US2551523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical brake operating device
Assignee: Individual
•
Filing: 1948-07-06
•
Granted: 1951-05-01
•
Expires: 1968-07-06
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bacca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:32
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US733562A
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US1143487A
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US1952679A
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US2134323A
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US2182450A
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US2260641A
Cited
US2355975A
Cited
US2407509A
Cited
US2434182A
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US2452033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |