Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 396/344
Name: Photography > Bellows objective camera > Having guide and lock
Description: Subject matter including guides or ways on a camera base along which a lens holder moves and clamping means to hold the lens holder at various positions along the base.


Patents under this class:

Patent Number Title Of Patent Date Issued
7463824 Collapsible lens barrel Dec. 9, 2008
5649251 Camera Jul. 15, 1997
5625851 Extendable guide rail for a bellows type camera Apr. 29, 1997
4591252 Photographic ground-glass plate camera May. 27, 1986
4497549 Collapsible lens shade Feb. 5, 1985
4331408 Photographic bellows unit May. 25, 1982
4205895 Collapsible lens shade Jun. 3, 1980
3987472 Bellows device having an automatic diaphragm-interlocking mechanism Oct. 19, 1976



 
 
  Recently Added Patents
Sulfonated aliphatic-aromatic copolyetheresters
Calpastatin (CAST) alleles
Valve for compressed gas gun
Messaging device
Internal gear pump including a crescent
Ball dropping assembly and technique for use in a well
PCR plate
  Randomly Featured Patents
Portion of a golf club head
Dual action shaker table using parallelogram linkages
Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type
Screening system and method
Begonia plant named Camelot
Methods and systems for networked camera control
Removable power sweep
Device for applying blot-shaped coverings by electro-plating
Crawl to the light emergency exit
Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization