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US2640208A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for building in the cases of books

Assignee: DE FLOREZ COMPANY Inc
•
Filing: 1948-11-13
•
Granted: 1953-06-02
•
Expires: 1968-11-13
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Abstract

No abstract record available.

Inventors

  • 👤 Florez Luis De
  • 👤 Owen L Gore
  • 👤 Bach Emmon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 20:23
CPC Classifications
B; B42; B42C; B42C11/00; B42C11/04; Y; Y10; Y10S; Y10S156/00; Y10S156/908; Y10T; Y10T156/00; Y10T156/17; Y10T156/1798

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1457108A Cited
US1533895A Cited
US1720680A Cited
US1770731A Cited
US1760030A Cited
US1765349A Cited
US1851135A Cited
US2094112A Cited
US2151957A Cited
US2151991A Cited
US2381961A Cited
US2338138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-06-01 1956-12-01 1957-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-06-01 1960-12-01 1961-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-06-01 1964-12-01 1965-06-02 $7700.00 Window Closed / Lapsed

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