Patent US1762950A successfully refreshed from Google Patents.
Patent US3082847A successfully refreshed from Google Patents.
US3082847A
Expired / Lapsed
US
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Locking and operating device for doors
Assignee: STEWART IRON WORKS CO Inc
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Filing: 1959-07-16
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Granted: 1963-03-26
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Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Charles F Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:32
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-
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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 |