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US2885933A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for forming spout structure in carton blanks

Assignee: FLO SEAL CORP
•
Filing: 1952-10-21
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Granted: 1959-05-12
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Expires: 1972-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 Henry F Phillips

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:17
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/25; B31B50/252; B31B50/14; B31B50/20; B31B50/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US346580A Cited
US360674A Cited
US430315A Cited
US871487A Cited
US972300A Cited
US1056805A Cited
US1238795A Cited
US1854552A Cited
US2095359A Cited
US2338261A Cited
US2576594A Cited
US2682208A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-11 1962-11-10 1963-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-11 1966-11-10 1967-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-11 1970-11-10 1971-05-12 $7700.00 Window Closed / Lapsed

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