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US3061173A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined envelope and detachable return card

Assignee: CARD VELOPE R S V P
•
Filing: 1957-09-13
•
Granted: 1962-10-30
•
Expires: 1977-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 Victor J Sawdon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:41
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US738943A Cited
US757801A Cited
US2158528A Cited
US2166439A Cited
US2340700A Cited
US2328380A Cited
US2611630A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-29 1966-04-30 1966-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-29 1970-04-30 1970-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-29 1974-04-30 1974-10-30 $7700.00 Window Closed / Lapsed

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