US2539552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor braking and line circuit control
Assignee: Baker Raulang Co
•
Filing: 1946-07-01
•
Granted: 1951-01-30
•
Expires: 1966-07-01
Abstract
No abstract record available.
Inventors
- 👤 Edward H Remde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/10; B60L15/12; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US509505A
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US777883A
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US1373846A
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US2114196A
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US2304040A
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US2295285A
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US2313955A
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US2400971A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |