US2038055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid braking apparatus and compressor therefor
Assignee: Hydraulic Brake Co
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Filing: 1931-12-12
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Granted: 1936-04-21
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Expires: 1951-12-12
Abstract
No abstract record available.
Inventors
- 👤 Wallace F Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
F; F16; F16D; F16D49/00; F16D49/08; F16D49/12; B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/22; B60T11/228
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) | 1939-04-21 | 1939-10-21 | 1940-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-21 | 1943-10-21 | 1944-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-21 | 1947-10-21 | 1948-04-21 | $7700.00 | Window Closed / Lapsed |