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US3127087A Expired / Lapsed US ⏱️ 0.0 years remaining

Tearable sheet construction

Assignee: —
•
Filing: —
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Granted: 1964-03-31
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Expires: 1981-03-31
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:02
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/66; B65D75/68; B65D75/5805

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 67 words
IN A TEARABLE CONSTRUCTION FOR A LAMINATE SHEET HAVING A FIRST LAYER OF STRETCHABLE MATERIAL AND A SECOND LAYER OF RELATIVELY NONSTRECTCHABLE MATERIAL BONDED THERETO, THE IMPROVEMENT COMPRISING A WEAKENED AREA FORMED IN SAID SECOND LAYER BY A PLURALITY OF INTERRUPTIONS IN THE CONTINUITY OF SAID SHEET, AND A TEAR STRIP UNITED WITH SAID FIRST LAYER IN A REGION OVERLYING THE WEAKEND AREA OF THE SECOND LAYER.

References Cited (Backward Citations)

US2226181A Cited
US2476564A Cited
US2554160A Cited
US2891713A Cited
US2866589A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-31 1967-09-30 1968-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-31 1971-09-30 1972-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-31 1975-09-30 1976-03-31 $7700.00 Window Closed / Lapsed

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