Cancelled & expired registration
S
Registration expired per USPTO on Nov 3, 1992
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration expired per USPTO on Nov 3, 1992 · code 900 (Expired)
- Registration date
- Aug 16, 1949
- Filing date
- Oct 12, 1946
- Registration no.
- 443229
- Serial no.
- 71510807
- Goods & services
- INDUSTRIAL FILTERING APPARATUS NAMELY, FLUID FILTERS, MICRO-POROUS FILTERS FOR POLISHING LIQUIDS, FILTERS FOR SEPARATING SOLIDS FROM LIQUIDS FILTERS FOR REMOVING ENTRAINED SOLIDS FROM GASES, BACTERIOLOGICAL FILTERS, MICRO-POROUS FILTER CANDLES OF CERAMIC MATERIAL, AND DISCS AND HOLLOW TUBES FORMED OF MICRO-POROUS MATERIAL FOR FILTERING PURPOSES
- Owner as listed with the USPTO
- SELAS CORPORATION OF AMERICA
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