Cancelled & expired registration
L & N
Registration expired per USPTO on Dec 12, 2009
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration expired per USPTO on Dec 12, 2009 · code 900 (Expired)
- Registration date
- May 7, 1929
- Filing date
- May 18, 1928
- Registration no.
- 256077
- Serial no.
- 71266600
- Goods & services
- [ ELECTRIC FURNACES, OVENS, AND HEATERS; FOR RESISTORS AND ELECTRIC HEATING UNITS FOR FURNACES, OVENS AND HEATERS; FOR ] ELECTRIC CONTROLLERS AND REGULATORS OF TEMPERATURE, HUMIDITY, ION CONCENTRATION, CONDUCTIVITY OF FLUIDS, COMBUSTION, RATE OF FLOW AND PRESSURE OF FLUIDS, COMPOSITION OF MIXTURES, ELECTRIC CIRCUITS, ELECTROMOTIVE FORCES, ELECTRIC CURRENTS, AND ELECTRIC IMPEDANCES; FOR ELECTRIC CO
- Owner as listed with the USPTO
- LEEDS & NORTHRUP COMPANY
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