Patent US1885121A successfully refreshed from Google Patents.
US1885121A
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Valve mechanism
Assignee: Hydraulic Brake Co
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Filing: 1929-02-02
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Granted: 1932-11-01
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Expires: 1949-02-02
Abstract
No abstract record available.
Inventors
- 👤 Erwin F Loweke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:59
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/165; F; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/14; F16K15/144; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7773; Y10T137/7777; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/8593; Y10T137/87917; Y10T137/88046
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) | 1935-11-01 | 1936-05-02 | 1936-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-01 | 1940-05-02 | 1940-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-01 | 1944-05-02 | 1944-11-01 | $7700.00 | Window Closed / Lapsed |