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US2535829A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for preheating molding powders

Assignee: Continental Can Co Inc
•
Filing: 1946-09-16
•
Granted: 1950-12-26
•
Expires: 1966-09-16
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Abstract

No abstract record available.

Inventors

  • 👤 Ronald D Beck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 05:14
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/021

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US83255A Cited
US748893A Cited
US748894A Cited
US1459326A Cited
US1434193A Cited
FR690213A Cited
US2069193A Cited
US2330545A Cited
US2288613A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-12-25 1954-06-26 1954-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-12-25 1958-06-26 1958-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-12-25 1962-06-26 1962-12-26 $7700.00 Window Closed / Lapsed

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