Patent US3272564A successfully refreshed from Google Patents.
US3272564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air brake valve
Assignee: Lancia and Co Fabbrica di Automobili Torino SA
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Filing: 1964-12-21
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Granted: 1966-09-13
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Romanini Romeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:27
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/40; B60T13/403; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A TRACTOR-TRAILER BRAKING SYSTEM COMPRISING; FIRST PRESSURE MEANS, AUTOMATIC CONTROL VALVE MEANS, TRACTOR SERVICE LINE MEANS CONNECTED TO SAID FIRST PRESSURE MEANS AND SAID AUTOMATIC VALVE MEANS, SECOND PRESSURE MEANS CONNECTED TO SAID AUTOMATIC VALVE MEANS, TRAILER SERVICE CONDUIT MEANS AND TRAILER EMERGENCY CONDUIT MEANS CONNECTED TO SAID VALVE, SAID AUTOMATIC VALVE MEANS HAVING FIRST VALVE MEANS NORMALLY CONNECTING SAID SECOND PRESSURE MEANS WITH SAID TRAILER EMERGENCY CONDUIT MEANS, SECOND VALVE MEANS NORMALLY CONNECTING SAID TRAILER SERVICE CONDUIT MEANS TO THE ATMOSPHERE AND PRESSURE OPERATED MEANS RESPONSIVE TO AN INCREASE IN TRACTOR SERVICE CONDUIT PRESSURE TO INTERCONNECT SAID TRAILER SERVICE CONDUIT MEANS WITH SAID TRAILER EMERGENCY CONDUIT MEANS AND SAID SECOND PRESSURE MEANS WHILE CLOSING SAID SECOND VALVE MEANS, SAID PRESSURE OPERATED MEANS FURTHER RESPONSIVE TO A DROP IN PRESSURE IN SAID TRAILER SERVICE CONDUIT MEANS TO CLOSE SAID FIRST VALVE MEANS WHILE MAINTAINING CONNECTION BETWEEN SAID TRAILER SERVICE CONDUIT MEANS AND SAID TRAILER EMERGENCY CONDUIT MEANS.
Claim 2
Dependent Claim
157 words
A TRACTOR-TRAILER BRAKING SYSTEM COMPRISING; FIRST PRESSURE MEANS, AUTOMATIC CONTROL VALVE MEANS, TRACTOR SERVICE LINE MEANS CONNECTED TO SAID FIRST PRESSURE MEANS AND SAID AUTOMATIC VALVE MEANS, SECOND PRESSURE MEANS CONNECTED TO SAID AUTOMATIC VALVE MEANS, TRAILER SERVICE CONDUIT MEANS AND TRAILER EMERGENCY CONDUIT MEANS CONNECTED TO SAID VALVE, SAID AUTOMATIC VALVE MEANS HAVING FIRST VALVE MEANS NORMALLY CONNECTING SAID SECOND PRESSURE MEANS WITH SAID TRAILER EMERGENCY CONDUIT MEANS, SECOND VALVE MEANS NORMALLY CONNECTING SAID TRAILER SERVICE CONDUIT MEANS TO THE ATMOSPHERE AND PRESSURE OPERATED MEANS RESPONSIVE TO AN INCREASE IN TRACTOR SERVICE CONDUIT PRESSURE TO INTERCONNECT SAID TRAILER SERVICE CONDUIT MEANS WITH SAID TRAILER EMERGENCY CONDUIT MEANS AND SAID SECOND PRESSURE MEANS WHILE CLOSING SAID SECOND VALVE MEANS, SAID PRESSURE OPERATED MEANS FURTHER RESPONSIVE TO A DROP IN PRESSURE IN SAID TRAILER SERVICE CONDUIT MEANS TO CLOSE SAID FIRST VALVE MEANS WHILE MAINTAINING CONNECTION BETWEEN SAID TRAILER SERVICE CONDUIT MEANS AND SAID TRAILER EMERGENCY CONDUIT MEANS.
References Cited (Backward Citations)
US2850330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |