US3498426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake operating system for a motor vehicle
Assignee: Individual
•
Filing: 1967-10-05
•
Granted: 1970-03-03
•
Expires: 1987-10-05
Abstract
No abstract record available.
Inventors
- 👤 Akio Nakano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/103; B60T8/00; B60T8/26; Y; Y10; Y10S; Y10S188/00; Y10S188/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2141689A
Cited
US2136410A
Cited
US2183803A
Cited
US2217141A
Cited
US2235412A
Cited
US2277584A
Cited
US2877880A
Cited
US2978080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |