Forum: German Patent Specifications
German Patent Specifications on locks and security devices - For Reference, Research and Discussion.
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German Patent Specifications on locks and security devices - For Reference, Research and Discussion.
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Another point Gary is that although the key is marked 'patent' nothing has been found in the British patent abridgements, so maybe its one that was 'applied for' but not granted... The mystery...
very unusual thing, wonder if the spelling Detecter rather than Detector gives any clues, Chubb always seemed to use Detector on the ones I have seen
just my take,but i found 99.9 % to me is the key,certainly india keys to me are a giveaway thank you
Thanks Chubbbramah for details. another point not visible on my photos : there is a light black "marble" effect in the paint if can help on the period of product. i am going to remove the lock caps...
Apologies were received from Brian Philpot and Paul Chandler. Paul had suffered from a ruptured appendix but is now recovering well; we all wish him a speedy recovery and look forward to seeing him...
Curious. I have a larger one like this: 30x20cm, also with a flat lever key. And another, same size, all black, with a 3lever pin key. They both have the same action: latching when closed, and...
hi gentlemen. read with interest all your post on vault doors, superstrong safes and beautiful locks so just hope i am not on the wrong way with my last found on a local brocante with this tiny (can...
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