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Book protector

Assignee: Individual
•
Filing: 1947-04-04
•
Granted: 1951-05-08
•
Expires: 1967-04-04
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Abstract

No abstract record available.

Inventors

  • 👤 Bauer Julius

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:04
CPC Classifications
B; B42; B42D; B42D3/00; B42D3/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US565818A Cited
US1589458A Cited
US1698391A Cited
US1643418A Cited
US2053050A Cited
US2222253A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-07 1954-11-06 1955-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-07 1958-11-06 1959-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-07 1962-11-06 1963-05-08 $7700.00 Window Closed / Lapsed

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