US2554065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically actuated brake slack adjuster
Assignee: Sier Bath Gear & Pump Co Inc
•
Filing: 1947-11-01
•
Granted: 1951-05-22
•
Expires: 1967-11-01
Abstract
No abstract record available.
Inventors
- 👤 Albert F Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:28
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/60; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1532
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1673078A
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US2156154A
Cited
US2246201A
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US2379796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |