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US3456301A Expired / Lapsed US ⏱️ 0.0 years remaining

Mold having complemental non-planar mating areas for parting surfaces between the mold cavities

Assignee: CLEAR SHEILD NATIONAL Inc 222 W ADAMS STREET CHICAGO IL 60606 A CORP OF
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Filing: 1967-05-10
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Granted: 1969-07-22
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Expires: 1987-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Peter J Morroni

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/37; Y; Y10; Y10S; Y10S206/00; Y10S206/82

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-21 1973-01-20 1973-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-21 1977-01-20 1977-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-21 1981-01-20 1981-07-22 $7700.00 Window Closed / Lapsed

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