Patent US2815830A successfully refreshed from Google Patents.
US2815830A
Expired / Lapsed
US
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Hydraulic brake adjuster
Assignee: Individual
•
Filing: 1951-08-01
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Granted: 1957-12-10
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Expires: 1971-08-01
Abstract
No abstract record available.
Inventors
- 👤 Burlin W Oswalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:17
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/22; F16D65/38; F16D65/72; F16D65/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2227245A
Cited
US2141541A
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US2255974A
Cited
US2189134A
Cited
US2158700A
Cited
US2240792A
Cited
US2282556A
Cited
US2638186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |