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US2236306A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of hollow articles

Assignee: NEOCELL PRODUCTS Corp
•
Filing: 1938-10-14
•
Granted: 1941-03-25
•
Expires: 1958-10-14
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Abstract

No abstract record available.

Inventors

  • 👤 Bratring Kurt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 09:33
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/44; B29C33/48; B29C33/50; B29C33/505; B29C33/485; B29C41/00; B29C41/34; B29C41/38; B29C41/40; B29C41/02; B29C41/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1944-03-24 1944-09-23 1945-03-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-03-24 1948-09-23 1949-03-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-03-24 1952-09-23 1953-03-25 $7700.00 Window Closed / Lapsed

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