Patent US3273745A successfully refreshed from Google Patents.
US3273745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented easy opening container
Assignee: Continental Can Co Inc
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Filing: 1964-07-01
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Granted: 1966-09-20
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Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Stec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:22
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/50; B65D17/506; B65D2517/00; B65D2517/0001; B65D2517/001; B65D2517/0013; B65D2517/0091; B65D2517/0094; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49876
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A CONTAINER FOR PACKAGING A LIQUID UNDER PRESSURE, A PANEL HAVING AN INTEGRAL REMOVABLE PORTION DEFINED BY WEAKENING LINES FORMED IN SAID PANEL AND A VENT OPENING ALIGNED WITH SAID REMOVABLE PORTION FOR FIRST VENTING THE CONTAINER AND A PULL TAB FOR FACILITATING THE REMOVAL OF SAID REMOVABLE PANEL, SAID PULL TAB BEING FORMED OF A RESILIENT PLASTIC AND INCLUDING AN ELONGATED STRAP-LIKE BODY, A CONNECTOR ON SAID BODY ADJACENT ONE END PERMANENTLY SECURING SAID PULL TAB TO SAID REMOVABLE PORTION, SAID BODY HAVING AT THE OTHER END THEREOF A GRIP PORTION, SAID BODY FURTHER HAVING AN INTERMEDIATE DEPENDING PLUG PROJECTING THROUGH SAID PANEL OPENING AND ENGAGING SAID PANEL AROUND SAID OPENING TO SEAL SAID PANEL AND SAID BODY BEING BONDED TO SAID PANEL ADJACENT SAID PLUG TO PREVENT ACCIDENTAL DISPLACEMENT OF SAID PLUG, SAID REMOVABLE PORTION HAVING A STRATING END, AND OPENING IN SAID REMOVABLE PORTION ADJACENT SAID STARTING END, AND SAID CONNECTOR BEING IN THE FORM OF A PLUG PASSING THROUGH SAID REMOVABLE PORTION OPENING AND INTERLOCKED WITH SAID REMOVABLE PORTION.
Claim 2
Dependent Claim
174 words
IN A CONTAINER FOR PACKAGING A LIQUID UNDER PRESSURE, A PANEL HAVING AN INTEGRAL REMOVABLE PORTION DEFINED BY WEAKENING LINES FORMED IN SAID PANEL AND A VENT OPENING ALIGNED WITH SAID REMOVABLE PORTION FOR FIRST VENTING THE CONTAINER AND A PULL TAB FOR FACILITATING THE REMOVAL OF SAID REMOVABLE PANEL, SAID PULL TAB BEING FORMED OF A RESILIENT PLASTIC AND INCLUDING AN ELONGATED STRAP-LIKE BODY, A CONNECTOR ON SAID BODY ADJACENT ONE END PERMANENTLY SECURING SAID PULL TAB TO SAID REMOVABLE PORTION, SAID BODY HAVING AT THE OTHER END THEREOF A GRIP PORTION, SAID BODY FURTHER HAVING AN INTERMEDIATE DEPENDING PLUG PROJECTING THROUGH SAID PANEL OPENING AND ENGAGING SAID PANEL AROUND SAID OPENING TO SEAL SAID PANEL AND SAID BODY BEING BONDED TO SAID PANEL ADJACENT SAID PLUG TO PREVENT ACCIDENTAL DISPLACEMENT OF SAID PLUG, SAID REMOVABLE PORTION HAVING A STRATING END, AND OPENING IN SAID REMOVABLE PORTION ADJACENT SAID STARTING END, AND SAID CONNECTOR BEING IN THE FORM OF A PLUG PASSING THROUGH SAID REMOVABLE PORTION OPENING AND INTERLOCKED WITH SAID REMOVABLE PORTION.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |