FR1370477A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to pneumatic shock absorbers, in particular for door closers
Assignee: Francis Helbert
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Filing: 1963-07-11
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Granted: 1964-08-21
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Francis Helbert
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 02:14
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/34; F16F9/342; E; E05; E05F; E05F3/00; E05F3/02; F16F9/3415; F16F9/36; F16F9/368
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