Clean room
Description
FIG. 1 is a front perspective view of the clean room illustrating the front, top and right side thereof; and
FIG. 2 is a rear perspective view illustrating the rear, top and left side thereof.
Referenced Cited
U.S. Patent Documents
D123640 | November 1940 | Thomason |
D238572 | January 1976 | Wheeler |
3611907 | October 1971 | Wasserman et al. |
3885362 | May 1975 | Pollock |
4267769 | May 19, 1981 | Davis et al. |
Patent History
Patent number: D272469
Type: Grant
Filed: Nov 2, 1981
Date of Patent: Jan 31, 1984
Assignee: Burleson Airology Corporation (Orange, CA)
Inventor: Maurice L. Burleson (La Palma, CA)
Primary Examiner: A. Hugo Word
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 6/317,259
Type: Grant
Filed: Nov 2, 1981
Date of Patent: Jan 31, 1984
Assignee: Burleson Airology Corporation (Orange, CA)
Inventor: Maurice L. Burleson (La Palma, CA)
Primary Examiner: A. Hugo Word
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 6/317,259
Classifications
Current U.S. Class:
Structure (D25/1);
Single Occupant Type, I.e., Telephone Booth, Privy, Ticket Booth, Etc. (2) (D25/16);
Fully Enclosed (D25/33)
International Classification: D2503;
International Classification: D2503;