Patent US3256127A successfully refreshed from Google Patents.
US3256127A
Expired / Lapsed
US
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Method for making grommet bags
Assignee: Vision Wrap Industries Inc
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Filing: 1965-04-15
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Granted: 1966-06-14
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Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Bernard F Brieske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:45
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/001; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A METHOD FOR THE MANUFACTURE OF BAGS COMPRISING THE STEPS OF PROVIDING SEPARATE THICKNESSES OF A HEAT SEALABLE MATERIAL, HEAT SEALING TOGETHER OPEN EDGES OF SAID MATERIAL TO FORM A BAG CONFIGURATION, PROVIDING A PAIR OF GROMMET FORMING MEMBERS, POSITONING SAID MEMBERS ADJACENT AN EDGE OF SAID BAG, WITH ONE OF SAID MEMBERS BEING POSITIONED ON ONE EXTERIOR SURFACE OF THE BAG AND THE OTHER MEMBER BEING POSITIONED ON THE OPPOSITE EXTERIOR SURFACE OF THE BAG IN OPPOSED RELATIONSHIP TO SAID ONE MEMBER, PROVIDING A PAIR OF DIES, ONE OF SAID DIES INCLUDING A MALE ELEMENT FOR FORMING AN OPENING IN SAID GROMMET FORMING MEMBERS WITH THE OTHER DIE COMPRISING A FEMALE DIE, HEATING AT LEAST ONE OF SAID DIES, BRINGING SAID DIES TOGETHER WHEREBY SAID MALE ELEMENT WILL FORM AN OPENING THROUGH EACH OF SAID GROMMET FORMING MEMBERS AND THROUGH THE BAG MATERIAL, AND WHEREBY HEAT IS APPLIED SIMULTANEOUSLY TO HEAT SEAL EACH OF SAID GROMMET FORMING MEMBERS TO SAID BAG AND TO HEAT SEAL TOGETHER THE BAG PORTIONS OVERYLING THE GROMMET FORMING MEMBERS.
Claim 2
Independent Claim
175 words
A METHOD FOR THE MANUFACTURE OF BAGS COMPRISING THE STEPS OF PROVIDING SEPARATE THICKNESSES OF A HEAT SEALABLE MATERIAL, HEAT SEALING TOGETHER OPEN EDGES OF SAID MATERIAL TO FORM A BAG CONFIGURATION, PROVIDING A PAIR OF GROMMET FORMING MEMBERS, POSITONING SAID MEMBERS ADJACENT AN EDGE OF SAID BAG, WITH ONE OF SAID MEMBERS BEING POSITIONED ON ONE EXTERIOR SURFACE OF THE BAG AND THE OTHER MEMBER BEING POSITIONED ON THE OPPOSITE EXTERIOR SURFACE OF THE BAG IN OPPOSED RELATIONSHIP TO SAID ONE MEMBER, PROVIDING A PAIR OF DIES, ONE OF SAID DIES INCLUDING A MALE ELEMENT FOR FORMING AN OPENING IN SAID GROMMET FORMING MEMBERS WITH THE OTHER DIE COMPRISING A FEMALE DIE, HEATING AT LEAST ONE OF SAID DIES, BRINGING SAID DIES TOGETHER WHEREBY SAID MALE ELEMENT WILL FORM AN OPENING THROUGH EACH OF SAID GROMMET FORMING MEMBERS AND THROUGH THE BAG MATERIAL, AND WHEREBY HEAT IS APPLIED SIMULTANEOUSLY TO HEAT SEAL EACH OF SAID GROMMET FORMING MEMBERS TO SAID BAG AND TO HEAT SEAL TOGETHER THE BAG PORTIONS OVERYLING THE GROMMET FORMING MEMBERS.
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |