Patent US2665179A successfully refreshed from Google Patents.
US2665179A
Expired / Lapsed
US
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Piston for hydraulic brakes
Assignee: RICHARD G ELLAS
•
Filing: 1950-07-08
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Granted: 1954-01-05
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Expires: 1970-07-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Salvatora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:21
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/22; F16J; F16J1/00; F16J1/005; F16J1/006; F16J1/008; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029367A
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US2093062A
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US2111312A
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US2315944A
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US2307671A
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US2387181A
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US2349345A
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US2429426A
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US2515956A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |