Patent US2557758A successfully refreshed from Google Patents.
US2557758A
Expired / Lapsed
US
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Brake controlling structure
Assignee: Individual
•
Filing: 1945-08-17
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Granted: 1951-06-19
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Expires: 1965-08-17
Abstract
No abstract record available.
Inventors
- 👤 Nelson I Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:44
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20189; Y10T74/20558
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1430746A
Cited
US1921008A
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US1839298A
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FR678541A
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GB348691A
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US2058063A
Cited
US2168719A
Cited
US2224441A
Cited
US2341318A
Cited
US2435037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |