Expired, full termArchiveSolo inventor
Device for the dust-free discharge of circular dustbins into refuse-collecting carts
US 1,715,364 A · Inventors: KARL HIRSCHNER
Overview
1 drawing sheet
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 June 4, 1929. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 4, 1946.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 17, 1928
GrantedJune 4, 1929
Term endedJune 4, 1946
Application number—
Classification (CPC)B65F3/12
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.