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Expired
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Joseph Arthur Jagger
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Individual
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Individual
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Publication of GB190414962ApublicationCriticalpatent/GB190414962A/en
Operating, Guiding And Securing Of Roll- Type Closing Members
(AREA)
Tents Or Canopies
(AREA)
Abstract
14,962. Jagger, J. A. July 4. Doors.-Counterweighted exit doors A for theatres &c. are mounted on upper horizontal trunnions B and are secured when raised, by pawls G engagiog with ratchet-wheels secured to the trunnions. The pawls are released by cords J passing over pulleys.
GB190414962D1904-07-041904-07-04Improved Exit Doors for Theatres and Public Buildings.
ExpiredGB190414962A
(en)