Patent US1910844A successfully refreshed from Google Patents.
Patent US3786413A successfully refreshed from Google Patents.
US3786413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle tire condition monitor system
Assignee: Unisys Corp
•
Filing: 1972-01-13
•
Granted: 1974-01-15
•
Expires: 1992-01-13
Abstract
Abstract THE CONDITION MONITOR PROVIDES INFORMATION AS TO THE STATE OF A MONITORED DUAL STATE DEVICE HAVING, FOR EXAMPLE, POSSIBLE SATISFACTORY AND SATISFACTORY CONDITIONS. USE IS MADE OF A PASSIVE RADIO TRANSDUCER ELEMENT POWERED WITHIN A MOVING DEVICE BY A REASONANT MECHANICAL SYSTEM EXITED PRIMARILY BY CYCLIC ACCELERATIONS. IN THE UNSATISFACTORY CONDITION OF THE MONITORED DEVICE, THE PASSIVE TRANSDUCER EMITS ACHARACTERISTIC SIGNAL WHICH IS DETECTED AT A STATIONARY STATION FOR THE OPERATION OF A SUITABLE ALARM OR REMEDIAL CONTROL. IN THE NORMAL OR SATISFACTORY CONDITION OF THE MONITORED DEVICE, THE PASSIVE TRANSDUCER IS DORMANT. D R A W I N G
Inventors
- 👤 H Matthews
- 👤 G Ross
- 👤 K Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:39
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0408; B60C23/0422; B60C23/0433; B60C23/0447; B60C23/041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |