Patent US3249144A successfully refreshed from Google Patents.
US3249144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire pressure system and valve
Assignee: Berg Manufacturing and Sales Co
•
Filing: 1964-09-23
•
Granted: 1966-05-03
•
Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Harold L Dobrikin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:22
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A TIRE PRESSURE SYSTEM INCLUDING A PLENUM CHAMBER, CONDUITS COMMUNICATING SAID CHAMBER WITH A PLURALITY OF PNEUMATIC TIRES, A VALVE IN THE DISTAL END OF EACH OF SAID CONDUITS AND CONNECTED TO ONE OF SAID TIRES, EACH SAID VALVE HAVING A MEMBER YIELDINGLY URGED TOWARD A POSITION CLOSING COMMUNICATION THROUGH ITS ASSOCIATED CONDUIT BETWEEN ITS ASSOCIATED TIRE AND SAID CHAMBER, SAID MEMBER BEING MOVABLE IN RESPONSE TO PRESSURE FLOWING THROUGH SAID ASSOCIATED CONDUIT ABOVE A PREDETERMINED LEVEL FROM SAID CHAMBER TOWARD ITS ASSOCIATED TIRE TO A POSITION OPENING SAID COMMUNICATION, SAID MEMBER BEING HELD IN SAID LAST-NAMED POSITION BY SAID PRESSIRE AT SAID LEVEL.
Claim 2
Dependent Claim
104 words
A TIRE PRESSURE SYSTEM INCLUDING A PLENUM CHAMBER, CONDUITS COMMUNICATING SAID CHAMBER WITH A PLURALITY OF PNEUMATIC TIRES, A VALVE IN THE DISTAL END OF EACH OF SAID CONDUITS AND CONNECTED TO ONE OF SAID TIRES, EACH SAID VALVE HAVING A MEMBER YIELDINGLY URGED TOWARD A POSITION CLOSING COMMUNICATION THROUGH ITS ASSOCIATED CONDUIT BETWEEN ITS ASSOCIATED TIRE AND SAID CHAMBER, SAID MEMBER BEING MOVABLE IN RESPONSE TO PRESSURE FLOWING THROUGH SAID ASSOCIATED CONDUIT ABOVE A PREDETERMINED LEVEL FROM SAID CHAMBER TOWARD ITS ASSOCIATED TIRE TO A POSITION OPENING SAID COMMUNICATION, SAID MEMBER BEING HELD IN SAID LAST-NAMED POSITION BY SAID PRESSIRE AT SAID LEVEL.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |