US3333242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for indicating loss of air pressure in a tire
Assignee: Individual
•
Filing: 1964-10-02
•
Granted: 1967-07-25
•
Expires: 1984-10-02
Abstract
No abstract record available.
Inventors
- 👤 Andrew C Wooden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:17
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0408; B60C23/0422; B60C23/0469
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
265 words
A DEVICE FOR INDICATING LOSS OF AIR PRESSURE IN A TIRE COMPRISING: (A) A BODY MEMBER, (B) AN AIR INLET ORIFICE FORMED IN SAID BODY MEMBER AND LEADING TO (C) A CYLINDER FORMED THEREIN, (D) MEANS FOR CONNECTING SAID AIR INLET ORIFICE TO THE VALVE STEM OF A TIRE, (E) A PISTON MOUNTED IN SAID CYLINDER, (F) MEANS FOR INTRODUCING AIR I NTO SAID AIR INLET ORIFICE TO ACTUATE SAID PISTON AND INFLATE A TIRE THROUGH SAID CONNECTING MEANS, (G) SPRING MEANS FOR URGING SAID PISTON TOWARDS SAID AIR INLET ORIFICE, (H) SAID PISTON HAVING AN AIR PASSAGEWAY FORMED THEREIN AND LEADING TO (I) AN ANNULAR AIR VENT FORMED ON THE SURFACE OF SAID PISTON, (J) SAID BODY MEMBER HAVING AN AIR OUTLET PASSAGEWAY FORMED THEREIN, (K) AN AIR-ACTUATED SOUNDING DEVICE MOUNTING IN SAID AIR OUTLET PASSAGEWAY, (L) SAID AIR OUTLET PASSAGEWAY TERMINATING IN A SOUND EMITTING HOLE INFORMED IN SAID BODY, (M) MEANS CONNECTED TO SAID PISTON FOR OPENING SAID SOUND EMITTING HOLE WHEN SAID PISTON IS MOVED DUE TO A REDUCTION IN PRESSURE THEREON AND THE ACTION OF SAID SPRING TO A POSITION WITH SAID ANNULAR AIR VENT OPPOSITE SAID AIR OUTLET PASSAGEWAY, AIR PRESSURE THEREBY PASSING INTO SAID OUTLET PASSAGEWAY THROUGH SAID SOUNDING DEVICE TO ACTIVATE THE SAME AND CAUSE SOUND FROM SAID SOUNDING DEVICE TO EMIT FROM SAID SOUND EMITTING HOLE, SAID SOUND EMITTING HOLE OPENING MEANS CLOSING SAID SOUND EMITTING HOLE WHEN SAID PISTON IS MOVED BY INCREASED AIR PRESSURE THEREON WITH SAID ANNULAR AIR VENT PLACED OUT OF REGISTER WITH SAID AIR OUTLET PASSAGEWAY TO DEACTIVATE SAID SOUNDING DEVICE.
Claim 2
Independent Claim
265 words
A DEVICE FOR INDICATING LOSS OF AIR PRESSURE IN A TIRE COMPRISING: (A) A BODY MEMBER, (B) AN AIR INLET ORIFICE FORMED IN SAID BODY MEMBER AND LEADING TO (C) A CYLINDER FORMED THEREIN, (D) MEANS FOR CONNECTING SAID AIR INLET ORIFICE TO THE VALVE STEM OF A TIRE, (E) A PISTON MOUNTED IN SAID CYLINDER, (F) MEANS FOR INTRODUCING AIR I NTO SAID AIR INLET ORIFICE TO ACTUATE SAID PISTON AND INFLATE A TIRE THROUGH SAID CONNECTING MEANS, (G) SPRING MEANS FOR URGING SAID PISTON TOWARDS SAID AIR INLET ORIFICE, (H) SAID PISTON HAVING AN AIR PASSAGEWAY FORMED THEREIN AND LEADING TO (I) AN ANNULAR AIR VENT FORMED ON THE SURFACE OF SAID PISTON, (J) SAID BODY MEMBER HAVING AN AIR OUTLET PASSAGEWAY FORMED THEREIN, (K) AN AIR-ACTUATED SOUNDING DEVICE MOUNTING IN SAID AIR OUTLET PASSAGEWAY, (L) SAID AIR OUTLET PASSAGEWAY TERMINATING IN A SOUND EMITTING HOLE INFORMED IN SAID BODY, (M) MEANS CONNECTED TO SAID PISTON FOR OPENING SAID SOUND EMITTING HOLE WHEN SAID PISTON IS MOVED DUE TO A REDUCTION IN PRESSURE THEREON AND THE ACTION OF SAID SPRING TO A POSITION WITH SAID ANNULAR AIR VENT OPPOSITE SAID AIR OUTLET PASSAGEWAY, AIR PRESSURE THEREBY PASSING INTO SAID OUTLET PASSAGEWAY THROUGH SAID SOUNDING DEVICE TO ACTIVATE THE SAME AND CAUSE SOUND FROM SAID SOUNDING DEVICE TO EMIT FROM SAID SOUND EMITTING HOLE, SAID SOUND EMITTING HOLE OPENING MEANS CLOSING SAID SOUND EMITTING HOLE WHEN SAID PISTON IS MOVED BY INCREASED AIR PRESSURE THEREON WITH SAID ANNULAR AIR VENT PLACED OUT OF REGISTER WITH SAID AIR OUTLET PASSAGEWAY TO DEACTIVATE SAID SOUNDING DEVICE.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |