Patent US3453030A successfully refreshed from Google Patents.
US3453030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle brake system
Assignee: Rockwell-Standard Corp
•
Filing: 1965-06-22
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Granted: 1969-07-01
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 James C Cumming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:16
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/08; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/261; F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/22; F16D2125/00; F16D2125/18; F16D2125/58; F16D2125/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2305302A
Cited
US2759569A
Cited
US3011832A
Cited
US3173726A
Cited
US3223458A
Cited
US3151525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |