US3147876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers having caps permitting pressure equalization of contents of container
Assignee: Lever Brothers Co
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Filing: 1961-03-24
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Granted: 1964-09-08
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 George S Lepore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:45
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0407; B65D41/0414; B65D51/00; B65D51/16; B65D51/1605; B65D51/1622
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A CONTAINER COMPRISING A RECEPTACLE FOR LIQUID HAVING A RESILIENT WALL AND A POURING OPENING SURROUNDED BY A LIP, A CLOSURE CAP HAVNG A PORTION ENGAGING SAID LIP FOR CLOSING SAID OPENING IN LIQUID-TIGHT RELATION, AND AT LEAST ONE GROOVE BETWEEN SAID PORTION AND SAID LIP TO ALLOW INFLOW AND OUTFLOW OF GAS THEREBETWEEN WHEN SAID OPENING IS CLOSED IN LIQUID-TIGHT RELATION BY SAID PORTION, SAID GROOVE BEING BETWEEN .003 OF AN INCH AND .002 OF AN INCH DEEP TO PREVENT LEAKAGE OF LIQUID THERETHROUGH.
Claim 2
Dependent Claim
85 words
A CONTAINER COMPRISING A RECEPTACLE FOR LIQUID HAVING A RESILIENT WALL AND A POURING OPENING SURROUNDED BY A LIP, A CLOSURE CAP HAVNG A PORTION ENGAGING SAID LIP FOR CLOSING SAID OPENING IN LIQUID-TIGHT RELATION, AND AT LEAST ONE GROOVE BETWEEN SAID PORTION AND SAID LIP TO ALLOW INFLOW AND OUTFLOW OF GAS THEREBETWEEN WHEN SAID OPENING IS CLOSED IN LIQUID-TIGHT RELATION BY SAID PORTION, SAID GROOVE BEING BETWEEN .003 OF AN INCH AND .002 OF AN INCH DEEP TO PREVENT LEAKAGE OF LIQUID THERETHROUGH.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |