Patent US3568433A successfully refreshed from Google Patents.
US3568433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick time wipe-off for parking meters
Assignee: Rockwell Manufacturing Co
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Filing: 1968-10-28
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Granted: 1971-03-09
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Expires: 1988-10-28
Abstract
Abstract A QUICK TIME WIPE-OFF ASSEMBLY FOR A COIN CONTROLLED, PARKING METER INCLUDING AN ESCAPEMENT WHEEL AXIALLY SLIDABLE ON A SHAFT AND NORMALLY BIASED INTO FRICTIONAL DRIVING ENGAGEMENT WITH A PINION DRIVE CONNECTED TO THE CLOCKWORKS FOR TIME CONTROLLING THE RATE OF UNWINDING OF THE CLOCKWORKS AND CANCELLATION OF PURCHASED TIME FROM THE METER. A MANUALLY OPERATED WIPE-OFF ACTUATOR DISENGAGES THE WHEEL FROM THE PINION TO RENDER THE PINION FREE-RUNNING ON THE SHAFT AND THEREBY PERMIT RAPID, SUB- STANTIALLY INSTANTANEOUS UNWINDING OF THE CLOCKWORKS AND CANCELLATION OF THE PURCHASED TIME.
Inventors
- 👤 John W Van Horn
- 👤 Charles W Hill
- 👤 Jimmie Calvin Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:48
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/24
Claims Analysis
Total Claims: 0
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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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |