IT9018402U1 - Sirena elettronica con circuito incorporato nella tromba esponenziale. - Google Patents

Sirena elettronica con circuito incorporato nella tromba esponenziale.

Info

Publication number
IT9018402U1
IT9018402U1 IT1840290U IT1840290U IT9018402U1 IT 9018402 U1 IT9018402 U1 IT 9018402U1 IT 1840290 U IT1840290 U IT 1840290U IT 1840290 U IT1840290 U IT 1840290U IT 9018402 U1 IT9018402 U1 IT 9018402U1
Authority
IT
Italy
Prior art keywords
trumpet
exponential
circuit built
electronic siren
siren
Prior art date
Application number
IT1840290U
Other languages
English (en)
Other versions
IT9018402V0 (it
Inventor
Mario Coppola
Original Assignee
Mario Coppola
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 Mario Coppola filed Critical Mario Coppola
Priority to IT1840290U priority Critical patent/IT9018402U1/it
Publication of IT9018402V0 publication Critical patent/IT9018402V0/it
Publication of IT9018402U1 publication Critical patent/IT9018402U1/it

Links

IT1840290U 1990-01-03 1990-01-03 Sirena elettronica con circuito incorporato nella tromba esponenziale. IT9018402U1 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT1840290U IT9018402U1 (it) 1990-01-03 1990-01-03 Sirena elettronica con circuito incorporato nella tromba esponenziale.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1840290U IT9018402U1 (it) 1990-01-03 1990-01-03 Sirena elettronica con circuito incorporato nella tromba esponenziale.

Publications (2)

Publication Number Publication Date
IT9018402V0 IT9018402V0 (it) 1990-01-03
IT9018402U1 true IT9018402U1 (it) 1991-07-04

Family

ID=11152777

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1840290U IT9018402U1 (it) 1990-01-03 1990-01-03 Sirena elettronica con circuito incorporato nella tromba esponenziale.

Country Status (1)

Country Link
IT (1) IT9018402U1 (it)

Also Published As

Publication number Publication date
IT9018402V0 (it) 1990-01-03

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Legal Events

Date Code Title Description
0002 Rejected