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US2916774A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for molding hollow articles

Assignee: S A Wetty & Sons Inc
•
Filing: 1954-09-27
•
Granted: 1959-12-15
•
Expires: 1974-09-27
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Abstract

No abstract record available.

Inventors

  • 👤 Stephen A Wetty
  • 👤 Wetty Robert Alvin
  • 👤 William S Wetty

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:29
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/02; B29C49/04; B25; B25G; B25G1/00; B25G1/10; B25G1/105; B29C49/071

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1515093A Cited
US1904290A Cited
US1940223A Cited
US2288454A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-12-14 1963-06-15 1963-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-12-14 1967-06-15 1967-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-12-14 1971-06-15 1971-12-15 $7700.00 Window Closed / Lapsed

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