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US2517802A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for making molds

Assignee: Individual
•
Filing: 1945-12-17
•
Granted: 1950-08-08
•
Expires: 1965-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 George A Rubissow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 05:21
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/02; B22C9/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US45178A Cited
US138775A Cited
US180807A Cited
US223565A Cited
US982572A Cited
US1238789A Cited
US1287001A Cited
US1372209A Cited
US2119590A Cited
US2150962A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-08-07 1954-02-06 1954-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-08-07 1958-02-06 1958-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-08-07 1962-02-06 1962-08-08 $7700.00 Window Closed / Lapsed

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