USD229521S - Lock chamber tent for air raid shelters - Google Patents
Lock chamber tent for air raid shelters Download PDFInfo
- Publication number
- USD229521S USD229521S US D229521 S USD229521 S US D229521S
- Authority
- US
- United States
- Prior art keywords
- lock chamber
- air raid
- raid shelters
- tent
- chamber tent
- Prior art date
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Patented Dec. 4, 1973 229,521 I LOCK CHAMBER TENT FOR AIR RAID SHELTERS Launo Laakkonen, Helsinki, Finland, assignor to Temet 0y, Helsinki, Finland Filed May 30, 1972, Ser. No. 258,210 Claims priority, application Finland Dec. 13, 1971 Term of patent 14 years Int. Cl. D2104 US. Cl. D883 B Des. 229,521
PAGE 2 FIG. 1 is a front perspective view of a lock chamber tent for air raid shelters showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear perspective view thereof; and
FIG. 4 is a front perspective view thereof with the door in an open position.
'I claim:
The ornamental design for a lock chamber tent for air raid shelters, as shown and described.
References Cited UNITED STATES PATENTS 3/1950 Will 135-1 A 2,500,656 2,259,267 10/1941 Ranken 13s 1 R JOEL STEARMAN, Primary Examiner N. C. HOLTJE, Assistant Examiner
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