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US2881476A Expired / Lapsed US ⏱️ 0.0 years remaining

Hollow object molding apparatus with moving heaters

Assignee: Individual
•
Filing: 1955-08-01
•
Granted: 1959-04-14
•
Expires: 1975-08-01
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Abstract

No abstract record available.

Inventors

  • 👤 Page Mark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:56
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1812242A Cited
US2169281A Cited
US2610041A Cited
US2469892A Cited
US2659107A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-04-13 1962-10-13 1963-04-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-04-13 1966-10-13 1967-04-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-04-13 1970-10-13 1971-04-14 $7700.00 Window Closed / Lapsed

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