US3353662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic bags with metal foil laminated lips
Assignee: Colgate Palmolive Co
•
Filing: 1964-04-15
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Granted: 1967-11-21
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Pickin John Harlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:37
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/30; Y; Y10; Y10S; Y10S383/00; Y10S383/905; Y10T; Y10T24/00; Y10T24/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A DISPENSING SYSTEM FOR PLASTIC BAGS COMPRISING A LONG TUBULAR BODY OF VERY THIN HIGHLY FLEXIBLE THERMOPLASTIC SHEET MATERIAL WHICH IS NORMALLY FLAT WOUND INTO A ROLL, SAID BODY BEING HEATED SEALED THERE ACROSS AT LONGITUDINALLY SPACED TRANSVERSE AREAS TO DIVIDE IT INTO INDIVIDUAL BAG SECTIONS AND BEING PROVIDED WITH TRANSVERSE WEAKENED REGIONS ADJACENT AND PARALLEL TO SAID HEAT SEALED AREAS, AND TRANSVERSE BANDS OF CRIMPABLE MATERIAL SURFACE BONDED TO SAID BODY AT THE OPPOSITE SIDES OF SAID WEAKENED REGIONS FROM SAID HEAT SEALED AREAS SO THAT EACH OF SAID WEAKENED REGIONS EXTENDS ACROSS SAID BODY FLANKED ON OPPOSITE SIDES BY ONE OF SAID BANDS AND ONE OF SAID HEAT SEALED AREAS, WHEREBY INDIVIDUAL BAG SECTIONS HAVING SAID BANDS AT THEIR OPEN ENDS MAY BE DETACHED FROM SAID BODY BY TEARING AT SAID WEAKENED SECTIONS.
Claim 2
Dependent Claim
135 words
A DISPENSING SYSTEM FOR PLASTIC BAGS COMPRISING A LONG TUBULAR BODY OF VERY THIN HIGHLY FLEXIBLE THERMOPLASTIC SHEET MATERIAL WHICH IS NORMALLY FLAT WOUND INTO A ROLL, SAID BODY BEING HEATED SEALED THERE ACROSS AT LONGITUDINALLY SPACED TRANSVERSE AREAS TO DIVIDE IT INTO INDIVIDUAL BAG SECTIONS AND BEING PROVIDED WITH TRANSVERSE WEAKENED REGIONS ADJACENT AND PARALLEL TO SAID HEAT SEALED AREAS, AND TRANSVERSE BANDS OF CRIMPABLE MATERIAL SURFACE BONDED TO SAID BODY AT THE OPPOSITE SIDES OF SAID WEAKENED REGIONS FROM SAID HEAT SEALED AREAS SO THAT EACH OF SAID WEAKENED REGIONS EXTENDS ACROSS SAID BODY FLANKED ON OPPOSITE SIDES BY ONE OF SAID BANDS AND ONE OF SAID HEAT SEALED AREAS, WHEREBY INDIVIDUAL BAG SECTIONS HAVING SAID BANDS AT THEIR OPEN ENDS MAY BE DETACHED FROM SAID BODY BY TEARING AT SAID WEAKENED SECTIONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |