§
Luxuse
Patent Intelligence
Patents
Companies
Categories
Portfolios
Maintenance
Utilities
Sign In
← Back to Companies
Crown Machine and Tool Co Inc
Crown Mach
Active Patents
0
Total Holdings
4
Patent Holdings
Filter in Explorer →
Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2951260A
Molding mechanism and heating arrangement
Expired / Lapsed
1957-10-01
1960-09-06
0
Details
US2928125A
Method of and injection nozzle for preventing excessive hea…
Expired / Lapsed
1956-05-31
1960-03-15
0
Details
US2860374A
Stripper mechanism for injection molding
Expired / Lapsed
1955-09-23
1958-11-18
0
Details
US2828509A
Plastic molding machines
Expired / Lapsed
1954-11-03
1958-04-01
0
Details