US3430660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure equalizer apparatus for hydraulic brake fluid systems
Assignee: Individual
•
Filing: 1966-03-21
•
Granted: 1969-03-04
•
Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Robert E Mitton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:13
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F16L55/053; B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/18; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974323A
Cited
US2371633A
Cited
US2604118A
Cited
US2808070A
Cited
US2941549A
Cited
GB911265A
Cited
FR1373140A
Cited
US3159182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |