US2615105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake master cylinder reservoir float switch
Assignee: Individual
•
Filing: 1949-02-21
•
Granted: 1952-10-21
•
Expires: 1969-02-21
Abstract
No abstract record available.
Inventors
- 👤 David M Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:22
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |