Inventor

J. A. Smart

Inventor

Salt Lake City, UT, US

Overview

3→

Patents

1979–1990

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E05Bprimary

E05BLocks22%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates22%

Y10TTechnical subjects covered by former us classification22%

E05DHinges or suspension devices for doors, windows or wings11%

E05FDevices for moving wings into open or closed position11%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof11%

PatentTitleYear

4,924,929'Folding firedoor lead post assembly'1990 4,834,161'Folding firedoor lead post assembly'1989 4,133,364'Diagonal bracing for lead post of folding partition'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to JAY A SMART RESEARCH LTD (1)· patent assignee history

1979–1990Based in Salt Lake City, UT, US· patent location history

1989–1990Patents assigned to WON DOOR CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WON DOOR CORP	2	1989–1990
JAY A SMART RESEARCH LTDself	1	1979

Locations

Location	Patents	Span
Salt Lake City, UT, US	3	1979–1990