US2004078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake mechanism
Assignee: Hydraulic Brake Co
•
Filing: 1933-07-01
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Granted: 1935-06-04
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Expires: 1953-07-01
Abstract
No abstract record available.
Inventors
- 👤 George F Mcdougall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:16
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-06-03 | 1938-12-03 | 1939-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-03 | 1942-12-03 | 1943-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-03 | 1946-12-03 | 1947-06-04 | $7700.00 | Window Closed / Lapsed |