Sealing extrusion for clean room ceilings
Latest ABB Flaekt AB Patents:
Description
FIG. 1 is a left side perspective view of the sealing extrusion for clean room ceilings showing our new design, the rear being identical thereto; and,
FIG. 2 is a right side perspective view thereof.
Referenced Cited
U.S. Patent Documents
| D316444 | April 23, 1991 | Abbestan et al. |
| 2963751 | December 1960 | Mancini |
| 3027984 | April 1962 | Dunn |
| 3286425 | November 1966 | Brown |
| 4678487 | July 7, 1987 | Cadwell, Jr. et al. |
| 4733509 | March 29, 1988 | Takahashi |
| 4883513 | November 28, 1989 | Monson et al. |
| 4967530 | November 6, 1990 | Clunn |
| 4974385 | December 4, 1990 | McFadden et al. |
Patent History
Patent number: D348939
Type: Grant
Filed: Jul 7, 1992
Date of Patent: Jul 19, 1994
Assignee: ABB Flaekt AB (Stockholm)
Inventors: Bertil Larsson (Tyresoe), John Moren (Tyresoe)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Townsend and Townsend Khourie and Crew
Application Number: 7/909,805
Type: Grant
Filed: Jul 7, 1992
Date of Patent: Jul 19, 1994
Assignee: ABB Flaekt AB (Stockholm)
Inventors: Bertil Larsson (Tyresoe), John Moren (Tyresoe)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Townsend and Townsend Khourie and Crew
Application Number: 7/909,805
Classifications
Current U.S. Class:
With Hollow Core (D25/122)
