US3360169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container with an improved dispensing closure
Assignee: Lion Fat and Oil Co Ltd
•
Filing: 1966-04-07
•
Granted: 1967-12-26
•
Expires: 1986-04-07
Abstract
No abstract record available.
Inventors
- 👤 Susuki Rinnosuke
- 👤 Hoshi Hiroshi
- 👤 Suzuki Masao
- 👤 Morozumi Masaru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:51
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/20; B65D47/2018; B65D51/00; B65D51/16; B65D51/1633; B65D51/1644; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7843
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A DISPENSING CLOSURE FOR A DISCHARGE OPENING OF A CONTAINER, COMPRISING: TWO PARALLEL LAYERS ARRANGED IN SUPERIMPOSED CONTACTING RELATION AND ADAPTED TO BE SEALINGLY ENGAGED WITH THE CONTAINER, EACH LAYER COMPRISING A SYNTHETIC RESIN SHEET, ONE OF SAID LAYERS HAVING A PAIR OF OPENINGS THERETHROUGH, ONE OF SAID OPENINGS BEING ADAPTED FOR DISCHARGING THE CONTENTS OF SAID CONTAINER AND THE OTHER OPENING BEING ADAPTED FOR ADMITTING AIR INTO THE CONTAINER, THE OTHER LAYER HAVING AN INTEGRAL ELASTICALLY DEFORMABLE VALVE MEMBER ELASTICALLY ENGAGING SAID ONE LAYER AND OVERLYING AND CLOSING ONE OF SAID OPENINGS, SAID VALVE MEMBER BEING RESPONSIVE TO A DIFFERENCE OF PRESSURES ACTING
Claim 2
Dependent Claim
104 words
A DISPENSING CLOSURE FOR A DISCHARGE OPENING OF A CONTAINER, COMPRISING: TWO PARALLEL LAYERS ARRANGED IN SUPERIMPOSED CONTACTING RELATION AND ADAPTED TO BE SEALINGLY ENGAGED WITH THE CONTAINER, EACH LAYER COMPRISING A SYNTHETIC RESIN SHEET, ONE OF SAID LAYERS HAVING A PAIR OF OPENINGS THERETHROUGH, ONE OF SAID OPENINGS BEING ADAPTED FOR DISCHARGING THE CONTENTS OF SAID CONTAINER AND THE OTHER OPENING BEING ADAPTED FOR ADMITTING AIR INTO THE CONTAINER, THE OTHER LAYER HAVING AN INTEGRAL ELASTICALLY DEFORMABLE VALVE MEMBER ELASTICALLY ENGAGING SAID ONE LAYER AND OVERLYING AND CLOSING ONE OF SAID OPENINGS, SAID VALVE MEMBER BEING RESPONSIVE TO A DIFFERENCE OF PRESSURES ACTING
References Cited (Backward Citations)
US1704573A
Cited
US1811113A
Cited
US2147164A
Cited
US2622762A
Cited
US2761833A
Cited
US3018024A
Cited
US3167221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |