US3179299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible containers
Assignee: Lever Brothers Co
•
Filing: 1964-08-25
•
Granted: 1965-04-20
•
Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Allegraud Jean Baptiste
- 👤 Ollivry Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:02
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/02; B65D35/04; B65D35/08; Y; Y10; Y10S; Y10S215/00; Y10S215/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A RESILIENT COLLAPSIBLE CONTAINER COMPRISING A BODY PORTION CONTAINING A SUBSTANCE TO BE DISPENSED, A HEAD PORTION CONNECTED TO SAID BODY PORTION DEFINING AN ELONGATED PASSAGE THROUGH WHICH A VISCOUS SUBSTANCE CAN BE DISPENSED, AND AN APERTURED DIAPHRAGM ACROSS SAID ELONGATED PASSAGE AT A POSITION SUBSTANTIALLY INWARD FROM THE OUTER END OF SAID ELONGATED PASSAGES, SAID DIAPHRAGM HAVING A PLURALITY OF APERTURES AT LEAST TWO OF WHICH ARE SPACED CLOSER TO THE SIDE WALLS OF SAID ELONGATED PASSAGE THAN TO EACH OTHER, THE ARRANGEMENT BEING SUCH THAT THE SUBSTANCE TO BE DISPENSED FILLS SUBSTANTIALLY ALL OF SAID ELONGATED PASSAGE OUTSIDE OF SAID DIAPHRAGM WHEN IT IS FIRST DISPENSED AND, THEREAFTER, SAID SUBSTANCE OUTSIDE SAID DIAPHRAGM IN SAID ELONGATED PASSAGE ACTS IN CONJUCTION WITH THE APERTURES OF THE DIAPHRAGM TO DELAY THE INSTANT AT WHICH AIR CAN BE SUCKED INTO SAID BODY PORTION WHEN THE CONTAINER STARTS TO RESILE.
Claim 2
Dependent Claim
148 words
A RESILIENT COLLAPSIBLE CONTAINER COMPRISING A BODY PORTION CONTAINING A SUBSTANCE TO BE DISPENSED, A HEAD PORTION CONNECTED TO SAID BODY PORTION DEFINING AN ELONGATED PASSAGE THROUGH WHICH A VISCOUS SUBSTANCE CAN BE DISPENSED, AND AN APERTURED DIAPHRAGM ACROSS SAID ELONGATED PASSAGE AT A POSITION SUBSTANTIALLY INWARD FROM THE OUTER END OF SAID ELONGATED PASSAGES, SAID DIAPHRAGM HAVING A PLURALITY OF APERTURES AT LEAST TWO OF WHICH ARE SPACED CLOSER TO THE SIDE WALLS OF SAID ELONGATED PASSAGE THAN TO EACH OTHER, THE ARRANGEMENT BEING SUCH THAT THE SUBSTANCE TO BE DISPENSED FILLS SUBSTANTIALLY ALL OF SAID ELONGATED PASSAGE OUTSIDE OF SAID DIAPHRAGM WHEN IT IS FIRST DISPENSED AND, THEREAFTER, SAID SUBSTANCE OUTSIDE SAID DIAPHRAGM IN SAID ELONGATED PASSAGE ACTS IN CONJUCTION WITH THE APERTURES OF THE DIAPHRAGM TO DELAY THE INSTANT AT WHICH AIR CAN BE SUCKED INTO SAID BODY PORTION WHEN THE CONTAINER STARTS TO RESILE.
References Cited (Backward Citations)
US1869808A
Cited
US2042836A
Cited
GB521815A
Cited
US2682974A
Cited
FR981395A
Cited
US2800253A
Cited
AT186803B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |