US2656014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay valve for tractor trailer brake systems
Assignee: Wagner Electric Corp
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Filing: 1949-11-03
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Granted: 1953-10-20
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Expires: 1969-11-03
Abstract
No abstract record available.
Inventors
- 👤 Cyril B Fites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:19
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/58; B60T13/62; B60T15/00; B60T15/02; B60T15/18; B60T15/20; B60T15/36; B60T15/60; B60T17/00; B60T17/18; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |