US3080944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator controls
Assignee: Toledo Scale Corp
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Filing: 1960-07-06
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Granted: 1963-03-12
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Expires: 1980-07-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Burgy
- 👤 Lamater Paul F De
- 👤 Ernest B Thurston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:46
CPC Classifications
B; B66; B66B; B66B1/00; B66B1/02; B66B1/06; B66B1/14; B66B1/18; B66B1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
AN ELEVATOR SYSTEM COMPRISING A PLURALITY OF PASSENGER-OPERATED CARS OPERATING AS A GROUP AND EACH SERVING AT LEAST A PLURALITY OF COMMON FLOORS INCLUDING A LOWER DISPATCHING FLOOR, MEANS FOR INDIVIDUALLY CONDITIONING SAID CARS FOR LOADING AT SAID DISPATCHING FLOOR WHILE OPERATING IN SAID GROUP, MEANS TO ISSUE SPACED STARTING SIGNALS TO CONDITIONED CARS AT SAID DISPATCHING FLOOR WHILE OPERATING IN SAID GROUP, MEANS TO DIVIDE SAID GROUP OF CARS INTO SECONDARY GROUPS EACH COMPRISING A PLURALITY OF CARS, AT LEAST ONE SECONDARY GROUP OF CARS SERVING A PLURALITY OF FLOORS BUT LESS THAN ALL OF SAID PLURALITY OF COMMON FLOORS, MEANS FOR EACH SECONDARY GROUP FOR INDIVIDUALLY CONDITIONING SAID CARS OF SAID RESPECTIVE SECONDARY GROUP FOR LOADING AT SAID DISPATCHING FLOOR AND MEANS FOR EACH SECONDARY GROUP FOR ISSUING SPACED STARTING SIGNALS TO CONDITIONED CARS AT SAID DISPATCHING FLOOR AND OPERATING IN SAID GROUP.
References Cited (Backward Citations)
US2652903A
Cited
US2722672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |