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US2598358A Expired / Lapsed US ⏱️ 0.0 years remaining

Collating writing board

Assignee: MCBEE Co
•
Filing: 1948-08-09
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Granted: 1952-05-27
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Expires: 1968-08-09
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Abstract

No abstract record available.

Inventors

  • 👤 Connor Roger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:21
CPC Classifications
B; B41; B41L; B41L3/00; B41L3/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US363480A Cited
US1428592A Cited
US1884639A Cited
US1974614A Cited
US2069142A Cited
FR773314A Cited
US2077677A Cited
CH184631A Cited
DE680120C Cited
US2163193A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-05-27 1955-11-26 1956-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-05-27 1959-11-26 1960-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-05-27 1963-11-26 1964-05-27 $7700.00 Window Closed / Lapsed

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