U.S. patent number D250,604 [Application Number 05/757,850] was granted by the patent office on 1978-12-19 for upper sash window. This patent grant is currently assigned to The Roesch Trust. Invention is credited to Edgar B. Roesch.
United States Patent | D250,604 |
Roesch | December 19, 1978 |
Inventors: | Roesch; Edgar B. (Pennington, NJ) |
---|---|
Assignee: | The Roesch Trust (Pennington,
NJ) |
Appl. No.: | 05/757,850 |
Filed: | January 10, 1977 |
Current U.S. Class: | D25/48.7; D25/124; D25/60 |
Current International Class: | D2502 |
Field of Search: | ;D25/47,48,52,60,73,74,75,76,77,78,79 ;49/413,419,458,423,504 ;52/730-739,720 |
D208533 | September 1967 | Anderson |
D213676 | April 1969 | Biro |
D245791 | September 1977 | Copeland |
3334463 | August 1967 | Muessel |
3383801 | May 1968 | Dallaire |
3731430 | May 1973 | Dallaire et al. |
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