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US3219258A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuous envelopes and method of making them

Assignee: Individual
•
Filing: 1962-10-19
•
Granted: 1965-11-23
•
Expires: 1982-10-19
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence J Reuter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:53
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 89 words
A CONTINUOUS ENVELOPE STRIP UNIT, COMPRISING IN COMBINATION, AN INTEGRAL CONTINUOUS SHEET BLANK HAVING A FRONT PANEL, A BACK PANEL A SEALING FLAP CONNECTED TO THE TRANSVERSE EDGE OF THE FRONT PANEL DISTANT FROM THE TRANSVERSE EDGE TO WHICH THE BACK PANEL IS CONNECTED, END SEAM FLAPS CONNECTED TO THE ENDS OF ONE OF SAID PANELS, AND SPROCKET-HOLE-PERFORATED MARGIN CONTROL STRIP FLAPS CONNECTED TO THE ENDS OF THE OTHER PANEL, SAID MARGIN CONTROL STRIP FLAPS BEING AS LONG AS THE ENDS OF THE FRONT PANEL AND THE SEALING FLAP.

References Cited (Backward Citations)

US1893986A Cited
US2464490A Cited
US2474775A Cited
US2723076A Cited
US2790593A Cited
US2824685A Cited
US2988969A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-22 1969-05-24 1969-11-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-22 1973-05-24 1973-11-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-22 1977-05-24 1977-11-23 $7700.00 Window Closed / Lapsed

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