US3247486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coded signal control system
Assignee: SENTRON Inc
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Filing: 1962-04-12
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Granted: 1966-04-19
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Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 John P Choisser
- 👤 Saelid Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:27
CPC Classifications
G; G08; G08G; G08G5/00; G08G5/20; G08G5/26; G08G5/22; G08G5/50; G08G5/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A CONTROL SYSTEM FOR A REMOTELY-CONTROLLED DEVICE COMPRISING, MEANS FOR RECEIVING A CODED SIGNAL, OPERATING MEANS CONNECTED TO SAID RECEIVING MEANS AND RESPONSIVE TO RECEIPT OF SAID CODED SIGNAL FOR RENDERING SAID REMOTELY CONTROLLED DEVICE OPERATIVE FOR A PREDETERMINED OPERATIONAL PERIOD, MEANS CONNECTED TO THE OPERATING MEANS FOR ESTABLISHING A WARNING SIGNAL DURING SAID PREDETERMINED OPERATIONAL PERIOD AND MEANS COUPLED TO THE WARNING SIGNAL ESTABLISHING MEANS AND RESPONSIVE TO RECEPTION OF A SECOND CODED SIGNAL BY THE SIGNAL RECEIVING MEANS WHILE THE WARNING SIGNAL IS ESTABLISHED FOR PROLONGING THE OPERATIONAL PERIOD OF THE OPERATING MEANS, SAID OPERATING MEANS INCLUDING MEANS CONNECTED TO THE WARNING SIGNAL ESTABLISHING MEANS FOR PREVENTING ESTABLISHMENT OF THE WARNING SIGNAL EXCEPT DURING THE WARNING PERIOD.
Claim 2
Dependent Claim
119 words
A CONTROL SYSTEM FOR A REMOTELY-CONTROLLED DEVICE COMPRISING, MEANS FOR RECEIVING A CODED SIGNAL, OPERATING MEANS CONNECTED TO SAID RECEIVING MEANS AND RESPONSIVE TO RECEIPT OF SAID CODED SIGNAL FOR RENDERING SAID REMOTELY CONTROLLED DEVICE OPERATIVE FOR A PREDETERMINED OPERATIONAL PERIOD, MEANS CONNECTED TO THE OPERATING MEANS FOR ESTABLISHING A WARNING SIGNAL DURING SAID PREDETERMINED OPERATIONAL PERIOD AND MEANS COUPLED TO THE WARNING SIGNAL ESTABLISHING MEANS AND RESPONSIVE TO RECEPTION OF A SECOND CODED SIGNAL BY THE SIGNAL RECEIVING MEANS WHILE THE WARNING SIGNAL IS ESTABLISHED FOR PROLONGING THE OPERATIONAL PERIOD OF THE OPERATING MEANS, SAID OPERATING MEANS INCLUDING MEANS CONNECTED TO THE WARNING SIGNAL ESTABLISHING MEANS FOR PREVENTING ESTABLISHMENT OF THE WARNING SIGNAL EXCEPT DURING THE WARNING PERIOD.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |