US3089636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing container
Assignee: Thermoplastic Industries Inc
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Filing: 1962-02-01
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Granted: 1963-05-14
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Henry D Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:56
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
162 words
A FLEXIBLE VALVE BAG, COMPRISING A PLURALITY OF PANELS MARGINALLY ATTACHED TO ONE ANOTHER TO FORM A BAG, SAID PANELS BEING FABRICATED FROM A FLEXIBLE MATERIAL, AT LEAST ONE OF SAID PANELS BEING FORMED WITH AN OPENING THERETHROUGH, SAID OPENING BEING LOCATED WITHIN THE MARGINS OF SAID ONE PANEL, A FLEXIBLE SLEEVE DISPOSED WITHIN SAID BAG, SAID SLEEVE BEING CLOSED AT ONE END AND OPEN AT AN OPPOSITE END, ONE SIDE OF SAID SLEEVE BEING ATTACHED TO THE INNER FACE OF THE PANEL IN WHICH IS FORMED THE OPENINGS, SAID ONE SIDE OF SAID SLEEVE BEING ATTACHED TO SAID PANEL ALONG A GENERALLY TRANSVERSE LINE BEING LOCATED GENERALLY MIDWAY BETWEEN THE ENDS OF SAID SLEEVE TO DEFINE A FOLDABLE FLAP AT THE FREE END OF SAID SLEEVE, SAID SLEEVE BEING FORMED WITH AN OPENING THROUGH SAID ONE SIDE, SAID SLEEVE OPENING BEING IN REGISTER WITH SAID PANEL OPENING AND THE MARGINAL EDGES OF BOTH OF SAID OPENINGS BEING BONDED TO ONE ANOTHER.
Claim 2
Dependent Claim
162 words
A FLEXIBLE VALVE BAG, COMPRISING A PLURALITY OF PANELS MARGINALLY ATTACHED TO ONE ANOTHER TO FORM A BAG, SAID PANELS BEING FABRICATED FROM A FLEXIBLE MATERIAL, AT LEAST ONE OF SAID PANELS BEING FORMED WITH AN OPENING THERETHROUGH, SAID OPENING BEING LOCATED WITHIN THE MARGINS OF SAID ONE PANEL, A FLEXIBLE SLEEVE DISPOSED WITHIN SAID BAG, SAID SLEEVE BEING CLOSED AT ONE END AND OPEN AT AN OPPOSITE END, ONE SIDE OF SAID SLEEVE BEING ATTACHED TO THE INNER FACE OF THE PANEL IN WHICH IS FORMED THE OPENINGS, SAID ONE SIDE OF SAID SLEEVE BEING ATTACHED TO SAID PANEL ALONG A GENERALLY TRANSVERSE LINE BEING LOCATED GENERALLY MIDWAY BETWEEN THE ENDS OF SAID SLEEVE TO DEFINE A FOLDABLE FLAP AT THE FREE END OF SAID SLEEVE, SAID SLEEVE BEING FORMED WITH AN OPENING THROUGH SAID ONE SIDE, SAID SLEEVE OPENING BEING IN REGISTER WITH SAID PANEL OPENING AND THE MARGINAL EDGES OF BOTH OF SAID OPENINGS BEING BONDED TO ONE ANOTHER.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |