AT329814B - Feuer- und hitzebestandiger luftkanal - Google Patents

Feuer- und hitzebestandiger luftkanal

Info

Publication number: AT329814B
Authority: AT; Austria
Prior art keywords: fire; air duct; heat resistant; resistant air; heat
Prior art date: 1973-10-13

Application number

AT630374A

Other languages

English (en)

Other versions

ATA630374A (de

Original Assignee

Hasenfratz Hubert

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.)

1973-10-13

Filing date

1974-07-31

Publication date

1976-05-25

1974-07-31 Application filed by Hasenfratz Hubert filed Critical Hasenfratz Hubert

1975-08-15 Publication of ATA630374A publication Critical patent/ATA630374A/de

1976-05-25 Application granted granted Critical

1976-05-25 Publication of AT329814B publication Critical patent/AT329814B/de

Links

Classifications

- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels

Landscapes

Engineering & Computer Science (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Building Environments (AREA)

AT630374A 1973-10-13 1974-07-31 Feuer- und hitzebestandiger luftkanal AT329814B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE7336992		1973-10-13

Publications (2)

Publication Number	Publication Date
ATA630374A ATA630374A (de)	1975-08-15
AT329814B true AT329814B (de)	1976-05-25

Family

ID=6640934

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT630374A AT329814B (de)	1973-10-13	1974-07-31	Feuer- und hitzebestandiger luftkanal

Country Status (5)

Country	Link
AT (1)	AT329814B (de)
BE (1)	BE821022A (de)
CH (1)	CH582857A5 (de)
FR (1)	FR2247600A1 (de)
NL (1)	NL7410704A (de)

1974
- 1974-07-30 CH CH1045474A patent/CH582857A5/xx not_active IP Right Cessation
- 1974-07-31 AT AT630374A patent/AT329814B/de not_active IP Right Cessation
- 1974-08-09 NL NL7410704A patent/NL7410704A/xx not_active Application Discontinuation
- 1974-10-09 FR FR7433901A patent/FR2247600A1/fr active Granted
- 1974-10-14 BE BE149488A patent/BE821022A/xx unknown

Also Published As

Publication number	Publication date
FR2247600B1 (de)	1978-06-09
ATA630374A (de)	1975-08-15
FR2247600A1 (en)	1975-05-09
CH582857A5 (de)	1976-12-15
BE821022A (fr)	1975-02-03
NL7410704A (nl)	1975-04-15

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Legal Events

Date	Code	Title	Description
1979-05-15	ELJ	Ceased due to non-payment of the annual fee