US3127087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tearable sheet construction
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
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Expires: 1981-03-31
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)
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 |