US3246833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclosable tear string package
Assignee: Riegel Paper Corp
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Filing: 1964-11-16
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Granted: 1966-04-19
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Schlienz
- 👤 Phillip C Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:38
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A RECLOSABLE TEAR STRING POUCH COMPRISING (A) PANELS OF LAMINATED POUCH-FORMING MATERIAL INCLUDING A LAYER OF METAL FOIL AND A LAYER OF HEATSEALABLE MATERIAL JOINED THERETO, (B) MEANS INCLUDING HEAT-SEALED MARGINS ALONG THE TOP AND OPPOSED SIDE EDGES OF SAID PANELS FOR JOINING SAID PANELS IN POUCH-FORMING RELATION, AND (C) A TEAR STRING EXTENDING ACROSS THE TOP EDGE OF THE POUCH ADJACENT THE INNER EDGE OF THE TOP HEAT-SEALED MARGIN, (D) SAID TEAR STRING BEING DISPOSED BETWEEN THE RESPECTIVE LAYERS OF METAL FOIL AND EXTENDING FROM ONE HEATSEALED SIDE MARGIN TO THE OTHER, (E) THE TOP HEAT-SEALED MARGIN BEING FOLDED OVER THROUGH ABOUT 180* ADJACENT THE INNER EDGE OF THE TOP HEAT-SEALED MARGIN TO BE SUBSTANTIALLY FLAT AGAINST THE BODY OF THE POUCH AND TO DEFINE A FOLD LINE, (F) SAID TEAR STRING BEING SUBSTANTIALLY COINCIDENT WITH SAID FOLD LINE AND BEING MANUALLY ENGAGEABLE AT ONE END TO BE TORN FREE OF SAID POUCH, WHEREBY TO OPEN ONE OF SAID PANELS ADJACENT THE INNER EDGE OF THE TOP HEAT-SEALED MARGIN, (G) THE TOP HEAT-SEALED MARGIN BEING FOLDABLE THROUGH ABOUT 360* AFTER REMOVAL OF SAID TEAR STRING TO RECLOSE THE OPENED POUCH PANEL.
Claim 2
Dependent Claim
192 words
A RECLOSABLE TEAR STRING POUCH COMPRISING (A) PANELS OF LAMINATED POUCH-FORMING MATERIAL INCLUDING A LAYER OF METAL FOIL AND A LAYER OF HEATSEALABLE MATERIAL JOINED THERETO, (B) MEANS INCLUDING HEAT-SEALED MARGINS ALONG THE TOP AND OPPOSED SIDE EDGES OF SAID PANELS FOR JOINING SAID PANELS IN POUCH-FORMING RELATION, AND (C) A TEAR STRING EXTENDING ACROSS THE TOP EDGE OF THE POUCH ADJACENT THE INNER EDGE OF THE TOP HEAT-SEALED MARGIN, (D) SAID TEAR STRING BEING DISPOSED BETWEEN THE RESPECTIVE LAYERS OF METAL FOIL AND EXTENDING FROM ONE HEATSEALED SIDE MARGIN TO THE OTHER, (E) THE TOP HEAT-SEALED MARGIN BEING FOLDED OVER THROUGH ABOUT 180* ADJACENT THE INNER EDGE OF THE TOP HEAT-SEALED MARGIN TO BE SUBSTANTIALLY FLAT AGAINST THE BODY OF THE POUCH AND TO DEFINE A FOLD LINE, (F) SAID TEAR STRING BEING SUBSTANTIALLY COINCIDENT WITH SAID FOLD LINE AND BEING MANUALLY ENGAGEABLE AT ONE END TO BE TORN FREE OF SAID POUCH, WHEREBY TO OPEN ONE OF SAID PANELS ADJACENT THE INNER EDGE OF THE TOP HEAT-SEALED MARGIN, (G) THE TOP HEAT-SEALED MARGIN BEING FOLDABLE THROUGH ABOUT 360* AFTER REMOVAL OF SAID TEAR STRING TO RECLOSE THE OPENED POUCH PANEL.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |