US3262634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag
Assignee: Amcor Flexibles North America Inc
•
Filing: 1964-09-22
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Granted: 1966-07-26
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Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:01
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/14; B65D31/147; Y; Y10; Y10S; Y10S128/00; Y10S128/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A VALVE BAG MADE OF HEAT-SEALABLE SHEET PLASTIC MATERIAL CLOSED ALL AROUND ITS EDGES EXCEPT FOR A RELATIVELY NARROW SLIT CUT THROUGH BOTH WALLS OF THE BAG EXTENDING INWARD FROM ONE EDGE OF THE BAG GENERALLY AT RIGHT ANGLES TO SAID EDGE WITH ITS OUTER END OPEN AT SAID EDGE, AND A CLOSURE FOR SAID SLIT COMPRISING A PIECE OF HEAT-SEALABLE SHEET PLASTIC MATERIAL HAVING A FOLD AT SAID EDGE AND COVERING SAID SLIT WITH ONE SIDE OF SAID CLOSURE LYING AGAINST ONE WALL OF THE BAG AND THE OTHER SIDE OF SAID CLOSURE LYING AGAINST THE OTHER WALL OF THE BAG, EACH SIDE OF SAID CLOSURE BEING SECURED TO THE RESPECTIVE WALL OF THE BAG BY A HEAT SEAL EXTENDING GENERALLY PARALLEL TO SAID EDGE AND SPACED INWARD FROM THE INNER END OF SAID SLIT AND ALSO BY A HEAT ON ONE SIDE OF SAID SLIT.
Claim 2
Dependent Claim
147 words
A VALVE BAG MADE OF HEAT-SEALABLE SHEET PLASTIC MATERIAL CLOSED ALL AROUND ITS EDGES EXCEPT FOR A RELATIVELY NARROW SLIT CUT THROUGH BOTH WALLS OF THE BAG EXTENDING INWARD FROM ONE EDGE OF THE BAG GENERALLY AT RIGHT ANGLES TO SAID EDGE WITH ITS OUTER END OPEN AT SAID EDGE, AND A CLOSURE FOR SAID SLIT COMPRISING A PIECE OF HEAT-SEALABLE SHEET PLASTIC MATERIAL HAVING A FOLD AT SAID EDGE AND COVERING SAID SLIT WITH ONE SIDE OF SAID CLOSURE LYING AGAINST ONE WALL OF THE BAG AND THE OTHER SIDE OF SAID CLOSURE LYING AGAINST THE OTHER WALL OF THE BAG, EACH SIDE OF SAID CLOSURE BEING SECURED TO THE RESPECTIVE WALL OF THE BAG BY A HEAT SEAL EXTENDING GENERALLY PARALLEL TO SAID EDGE AND SPACED INWARD FROM THE INNER END OF SAID SLIT AND ALSO BY A HEAT ON ONE SIDE OF SAID SLIT.
References Cited (Backward Citations)
US2791160A
Cited
US3102676A
Cited
US3141601A
Cited
US3116002A
Cited
US3143936A
Cited
US3131853A
Cited
US3197119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |