USD261925S - Over-pressure valve for ventilation - Google Patents

Over-pressure valve for ventilation Download PDF

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Publication number
USD261925S
USD261925S US06/078,581 US7858179F USD261925S US D261925 S USD261925 S US D261925S US 7858179 F US7858179 F US 7858179F US D261925 S USD261925 S US D261925S
Authority
US
United States
Prior art keywords
ventilation
over
pressure valve
valve
ornamental design
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US06/078,581
Inventor
Launo Laakkonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kolster Oy AB
Temet Oy
Original Assignee
Kolster Oy AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kolster Oy AB filed Critical Kolster Oy AB
Assigned to TEMET OY, TULPPATIE 20, 00810 HELSINKI 81, FINLAND A FIRM OF FINLAND reassignment TEMET OY, TULPPATIE 20, 00810 HELSINKI 81, FINLAND A FIRM OF FINLAND ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: LAAKKONEN LAUNO
Application granted granted Critical
Publication of USD261925S publication Critical patent/USD261925S/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view taken from the top and one side of an over-pressure valve for ventilation showing my new design; and
FIG. 2 is a perspective view taken from the bottom and side opposite that shown in FIG. 1.

Claims (1)

  1. The ornamental design for an over-pressure valve for ventilation, as shown and described.
US06/078,581 1979-03-27 1979-09-21 Over-pressure valve for ventilation Expired - Lifetime USD261925S (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI205/79 1979-03-27
FIM19790205 1979-03-27

Publications (1)

Publication Number Publication Date
USD261925S true USD261925S (en) 1981-11-17

Family

ID=69782728

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/078,581 Expired - Lifetime USD261925S (en) 1979-03-27 1979-09-21 Over-pressure valve for ventilation

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US (1) USD261925S (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD637707S1 (en) * 2010-04-16 2011-05-10 Light My Fire Sweden Ab Grip for a fire iron
USD640364S1 (en) * 2010-04-16 2011-06-21 Light My Fire Sweden Ab Grip for a fire iron
USD765827S1 (en) * 2012-03-01 2016-09-06 Bentley Motors Limited Air vent

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140648A (en) 1959-03-04 1964-07-14 Bergman Sten Gosta Ariel Anti-blast valve
US3232208A (en) 1962-12-24 1966-02-01 Ewers & Miesner Hartgusswerk Valve for air raid shelter
US3369476A (en) 1964-09-28 1968-02-20 Bochumer Eisen Heintzmann Safety valve for ventilating shafts of shelters and the like
US3459114A (en) 1964-06-15 1969-08-05 David Baclini Blast valve
US3489073A (en) 1965-04-02 1970-01-13 Luwa Ag Pressure-tight blast valve
US3516348A (en) 1966-02-14 1970-06-23 Launo Laakkonen Rapidly closing stop valve for air raid shelters
USD252640S (en) 1976-03-12 1979-08-14 Bill Nederman Air filter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140648A (en) 1959-03-04 1964-07-14 Bergman Sten Gosta Ariel Anti-blast valve
US3232208A (en) 1962-12-24 1966-02-01 Ewers & Miesner Hartgusswerk Valve for air raid shelter
US3459114A (en) 1964-06-15 1969-08-05 David Baclini Blast valve
US3369476A (en) 1964-09-28 1968-02-20 Bochumer Eisen Heintzmann Safety valve for ventilating shafts of shelters and the like
US3489073A (en) 1965-04-02 1970-01-13 Luwa Ag Pressure-tight blast valve
US3516348A (en) 1966-02-14 1970-06-23 Launo Laakkonen Rapidly closing stop valve for air raid shelters
USD252640S (en) 1976-03-12 1979-08-14 Bill Nederman Air filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD637707S1 (en) * 2010-04-16 2011-05-10 Light My Fire Sweden Ab Grip for a fire iron
USD640364S1 (en) * 2010-04-16 2011-06-21 Light My Fire Sweden Ab Grip for a fire iron
USD765827S1 (en) * 2012-03-01 2016-09-06 Bentley Motors Limited Air vent

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