US3606699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate control drive unit
Assignee: Individual
•
Filing: 1969-09-16
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Granted: 1971-09-21
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Expires: 1989-09-16
Abstract
Abstract A SLIDING GATE STRUCTURE SUPPORTED AT ONE END BY ROLLERS ENGAGING TRACKS ON A FENCE STRUCTURE AND AT THE OTHER END BY A DRIVE UNIT HAVING A REVERSIBLE ELECTRIC MOTOR DRIVING A GROUND ENGAGING WHEEL AND A SECOND GROOVED WHEEL RIDING ON A TRACK DISPOSED ACROSS THE OPENING IN THE FENCE STRUCTURE. THE DRIVE UNIT IS RIGIDLY ATTACHED TO THE GATE AND SUPPORTS THE OTHER END AND PROVIDES A MOUNTING SURFACE FOR A SOLENOID ACTUATED LATCHING DEVICE WHICH ENGAGES A LATCH MEMBER ATTACHED TO A GATE POST OF THE FENCE TO HOLD THE GATE IN THE CLOSED POSITION.
Inventors
- 👤 John J Robinson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/635; E05F15/641; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2201/60; E05Y2201/622; E05Y2201/674; E05Y2600/00; E05Y2600/40; E05Y2600/46; E05Y2800/00; E05Y2800/20; E05Y2800/21; E05Y2900/00; E05Y2900/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |