Expired, full termArchiveSolo inventor
Method of making hollow glassware with a stem and a foot
US 3,271,123 A · Inventors: JOHAN BENARD EMIL JAN
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 6, 1966. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 6, 1983.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 26, 1963
GrantedSeptember 6, 1966
Term endedSeptember 6, 1983
Application number—
Classification (CPC)C03B9/04 +1 more
Length4 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.