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US2565887A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheathed flexible sheet

Assignee: Ivers Lee Co
•
Filing: 1946-06-21
•
Granted: 1951-08-28
•
Expires: 1966-06-21
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Abstract

No abstract record available.

Inventors

  • 👤 Leroy L Salfisberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 19:44
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; Y; Y10; Y10S; Y10S206/00; Y10S206/812

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US924275A Cited
FR562558A Cited
US1793710A Cited
US2121988A Cited
US2230849A Cited
US2402981A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-27 1955-02-26 1955-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-27 1959-02-26 1959-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-27 1963-02-26 1963-08-28 $7700.00 Window Closed / Lapsed

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