US3609914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gates
Assignee: Georges Klein Ets
•
Filing: 1969-09-05
•
Granted: 1971-10-05
•
Expires: 1989-09-05
Abstract
Abstract APPARATUS OF THE FREE PASSAGE GATE TYPE FOR PROVIDING ACCESS THROUGH PASSAGES AT WHICH PAYMENT IS TO BE MADE. THE PASSAGE IS CONSTITUTED BY A SPACE BETWEEN TWO BOXES WHICH CARRY GATE MEMBERS ADAPTED TO CLOSE THE PASSAGE, AND A CIRCUIT IS PROVIDED FOR OPERATING THE GATE. THIS CIRCUIT IS ARRANGED SO AS TO LEAVE THE GATE OPEN WHEN A USER HAS OBTAINED A TICKET FOR ENTRY, AND TO CLOSE THE GATE WHEN A USER TRIES TO PASS WITHOUT HAVING OBTAINED THIS RIGHT OF ENTRY, AND TO LEAVE THE GATE CLOSED WHEN AT LEAST ONE USER, NOT HAVING PAID, IS IN THE PASSAGE AND ONE USER IS GETTING HIS OWN TICKET, THE GATE REMAINING CLOSED UNTIL THE PASSAGE IS VACATED.
Inventors
- 👤 Bernard Berl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:47
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/10; G07C9/15
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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |