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US2574559A Expired / Lapsed US ⏱️ 0.0 years remaining

Combination crib-playpen

Assignee: PORT A CRIB Inc
•
Filing: 1949-01-24
•
Granted: 1951-11-13
•
Expires: 1969-01-24
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Abstract

No abstract record available.

Inventors

  • 👤 Paul R Graf
  • 👤 Thomas W Tlapek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:25
CPC Classifications
A; A47; A47D; A47D11/00; A47D11/005; A47D11/007

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US259189A Cited
US548005A Cited
US993763A Cited
GB182406A Cited
DE591902C Cited
US2091448A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-11-12 1955-05-14 1955-11-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-11-12 1959-05-14 1959-11-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-11-12 1963-05-14 1963-11-13 $7700.00 Window Closed / Lapsed

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