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US3082847A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking and operating device for doors

Assignee: STEWART IRON WORKS CO Inc
•
Filing: 1959-07-16
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Granted: 1963-03-26
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Expires: 1979-07-16
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Abstract

No abstract record available.

Inventors

  • 👤 Charles F Young

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:43
CPC Classifications
E; E05; E05F; E05F17/00; E05F17/001; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1016; Y10T292/1022; Y10T292/1028

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 62 words
A GANG OF DOORS FOR A ROW OF CELLS AND OPERATING AND CONNECTING MECHANISM THEREFOR COMPRISING A SINGLE MOTOR AND A MANUALLY OPERATED MEANS DISPOSED AT ONE END OF SAID CELL ROW, COMMON POWER TRANSMISSION MEANS SELECTIVELY OPERATIVELY CONNECTED TO SAID MOTOR OR SAID MANUALLY OPERATED MEANS FOR OPENING AND CLOSING SAID DOORS, CONNECTING MEANS FOR EACH OF SAID DOORS FOR SELEC-
Claim 2
Dependent Claim 62 words
A GANG OF DOORS FOR A ROW OF CELLS AND OPERATING AND CONNECTING MECHANISM THEREFOR COMPRISING A SINGLE MOTOR AND A MANUALLY OPERATED MEANS DISPOSED AT ONE END OF SAID CELL ROW, COMMON POWER TRANSMISSION MEANS SELECTIVELY OPERATIVELY CONNECTED TO SAID MOTOR OR SAID MANUALLY OPERATED MEANS FOR OPENING AND CLOSING SAID DOORS, CONNECTING MEANS FOR EACH OF SAID DOORS FOR SELEC-

References Cited (Backward Citations)

US1966422A Cited
US2287423A Cited
US2313416A Cited
US2686577A Cited
US2841252A Cited
US2792917A Cited
US2899027A Cited
US2961076A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-25 1966-09-24 1967-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-25 1970-09-24 1971-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-25 1974-09-24 1975-03-26 $7700.00 Window Closed / Lapsed

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