[rollei_list] Re: Lachaize - MECILA Mag 150 for Rolleiflex TLR

Richard, I found the US patent now using the number
you mentioned,thank you; the patent is complete
really, it was filled in 1953 and then it makes sense
the 150 Mag was manufactured from 1952 for the
Rolleiflex using European patents, patents are always
an interesting source if you know or if you could find
the relationship between the patent and the final
product.-

All the best
Carlos


--- Richard Knoppow <dickburk@xxxxxxxxxxxxx> escribió:

> 
> ----- Original Message ----- 
> From: "Carlos Manuel Freaza" <cmfreaza@xxxxxxxxxxxx>
> To: <rollei_list@xxxxxxxxxxxxx>
> Sent: Thursday, June 28, 2007 7:21 AM
> Subject: [rollei_list] Re: Lachaize - MECILA Mag 150
> for 
> Rolleiflex TLR
> 
> 
> > That is very interesting Richard, I found the
> patent
> > looking for the number, that is the 150 mag.
> >
> > All the best
> > Carlos
> 
>    If you posted the number I somehow missed it.
> Google 
> Patents allows text searches on any patent in the
> U.S.Patent 
> office without regard to date. The patent office
> site allows 
> text searches only on patents issued from 1976, one
> can 
> search only by number before that. The Google site
> also 
> allows downloading patents in PDF form, a great
> convenience. 
> It is a great service. I don't think it has patents
> outside 
> of the U.S. but I could be mistaken. It certainly
> would be 
> great if it did. Most of the historical patents in
> the field 
> of photographic optics issued in other countries
> were also 
> patented in the U.S. but not all. Actually,
> sometimes the 
> U.S. version has more information than the foreign
> patent, 
> for instance the patent for the Tessar is much more 
> complete.
> 
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx 
> 
> ---
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