US3176797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photo-electric sensing means for elevator control
Assignee: Toledo Scale Corp
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Filing: 1960-03-03
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Granted: 1965-04-06
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Expires: 1980-03-03
Abstract
No abstract record available.
Inventors
- 👤 John R Dinning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:26
CPC Classifications
B; B66; B66B; B66B1/00; B66B1/34; B66B1/3476; B66B13/00; B66B13/24; B66B13/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN AN ELEVATOR SYSTEM COMPRISING A CAR AND MEANS FOR OPERATING SAID CAR ACCORDING TO A PLURALITY OF PATTERNS TO SERVE VARYING TRAFFIC DEMANDS, IN COMBINATION; AN ENTRY FOR SAID CAR DEFINING A PATH BETWEEN THE INTERIOR AND EXTERIOR OF THE CAR, A FIRST OBJECT SENSING MEANS RESPONSIVE TO AN OBJECT IN A FIRST REGION OF SAID PATH, A SECOND OBJECT SENSING MEANS RESPONSIVE TO AN OBJECT IN A SECOND REGION OF SAID PATH, FIRST AND SECOND OUTPUT MEANS, MEANS RESPONSIVE TO OPERATION OF SAID FIRST SENSING MEANS PRIOR TO OPERATION OF SIAD SECOND SENSING MEANS TO ENERGIZE SAID FIRST OUTPUT MEANS, MEANS RESPONSIVE TO ENERGIZATION OF SAID FIRST OUTPUT MEANS FOR MAINTAINING ENERGIZATION OF SAID FIRST OUTPUT MEANS IN RESPONSE TO OPERATION OF SAID SECOND SENSING MEANS, MEANS RESPONSIVE TO ENERGIZATION OF SAID FIRST OUTPUT MEANS TO DISABLE RESPONSE OF SAID SECOND OUTPUT MEANS AND MEANS TO SELECT ONE OF SAID PLURALITY OF OPERATING PATTERNS IN RESPONSE TO A GIVEN FUNCTION WITH RESPECT TO TIME OF THE ACCUMULATED INTERVAL OF ENERGIZATION OF SAID FIRST OUTPUT MEANS.
Claim 2
Dependent Claim
177 words
IN AN ELEVATOR SYSTEM COMPRISING A CAR AND MEANS FOR OPERATING SAID CAR ACCORDING TO A PLURALITY OF PATTERNS TO SERVE VARYING TRAFFIC DEMANDS, IN COMBINATION; AN ENTRY FOR SAID CAR DEFINING A PATH BETWEEN THE INTERIOR AND EXTERIOR OF THE CAR, A FIRST OBJECT SENSING MEANS RESPONSIVE TO AN OBJECT IN A FIRST REGION OF SAID PATH, A SECOND OBJECT SENSING MEANS RESPONSIVE TO AN OBJECT IN A SECOND REGION OF SAID PATH, FIRST AND SECOND OUTPUT MEANS, MEANS RESPONSIVE TO OPERATION OF SAID FIRST SENSING MEANS PRIOR TO OPERATION OF SIAD SECOND SENSING MEANS TO ENERGIZE SAID FIRST OUTPUT MEANS, MEANS RESPONSIVE TO ENERGIZATION OF SAID FIRST OUTPUT MEANS FOR MAINTAINING ENERGIZATION OF SAID FIRST OUTPUT MEANS IN RESPONSE TO OPERATION OF SAID SECOND SENSING MEANS, MEANS RESPONSIVE TO ENERGIZATION OF SAID FIRST OUTPUT MEANS TO DISABLE RESPONSE OF SAID SECOND OUTPUT MEANS AND MEANS TO SELECT ONE OF SAID PLURALITY OF OPERATING PATTERNS IN RESPONSE TO A GIVEN FUNCTION WITH RESPECT TO TIME OF THE ACCUMULATED INTERVAL OF ENERGIZATION OF SAID FIRST OUTPUT MEANS.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |