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US2560291A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for molding threaded articles

Assignee: Grigoleit Co
•
Filing: 1946-10-24
•
Granted: 1951-07-10
•
Expires: 1966-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Jr John L Howie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:33
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/2618; B29C33/00; B29C33/44; B29C33/48; B29C33/485; B29C43/00; B29C43/32; B29C43/36; B29C43/42; B29C45/40; B29C45/44; B29C45/4421; B29D; B29D1/00; B29L; B29L2001/00; B29L2031/00; B29L2031/56; B29L2031/565

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US8547A Cited
US291072A Cited
US306146A Cited
US913212A Cited
US1351496A Cited
US2168594A Cited
US1817912A Cited
US1916693A Cited
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US2131319A Cited
US2171015A Cited
US2327665A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-09 1955-01-08 1955-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-09 1959-01-08 1959-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-09 1963-01-08 1963-07-10 $7700.00 Window Closed / Lapsed

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