US3135411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum sealing means
Assignee: Individual
•
Filing: 1963-05-09
•
Granted: 1964-06-02
•
Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Wiley W Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:04
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/046; B65B31/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE IMPROVEMENT IN A CLOSURE MEMBER FOR A CONTAINER TO BE PUT UNDER VACUUM, COMPRISING A WELL MOUNTED IN THE CLOSURE MEMBER, VALVE MEANS DISPOSED IN SAID WELL, SAID WELL HAVING AN APERTURED BASE THEREIN, SAID VALVE MEANS COMPRISING A VALVE STEM DISPOSED IN SAID WELL, A VALVE BALL IN A CHAMBER DISPOSED IN SAID WELL BELOW SAID VALVE STEM, SAID BALL ADAPTED TO BE SEATED ON AN O-RING ABOUT THE PERIMETER OF SAID BASE OF SAID WELL, SAID STEM HAVING A BORE OPEN TO ATMOSPHERE AT ONE END AND A SOLID TERMINAL PORTION AT ITS OTHER END, AT LEAST ONE OFF-CENTERED PASSAGEWAY IN SAID TERMINAL PORTION PROVIDING FOR COMMUNICATION BETWEEN SAID BORE AND CHAMBER, AND MEANS INCLUDED ON SAID TERMINAL PORTION TO ENGAGE SAID BALL WHEN SAID VALVE STEM IS CLOSED THEREBY PREVENTING AIR SEEPAGE THROUGH SAID VALVE MEANS INTO THE CONTAINER.
Claim 2
Dependent Claim
143 words
THE IMPROVEMENT IN A CLOSURE MEMBER FOR A CONTAINER TO BE PUT UNDER VACUUM, COMPRISING A WELL MOUNTED IN THE CLOSURE MEMBER, VALVE MEANS DISPOSED IN SAID WELL, SAID WELL HAVING AN APERTURED BASE THEREIN, SAID VALVE MEANS COMPRISING A VALVE STEM DISPOSED IN SAID WELL, A VALVE BALL IN A CHAMBER DISPOSED IN SAID WELL BELOW SAID VALVE STEM, SAID BALL ADAPTED TO BE SEATED ON AN O-RING ABOUT THE PERIMETER OF SAID BASE OF SAID WELL, SAID STEM HAVING A BORE OPEN TO ATMOSPHERE AT ONE END AND A SOLID TERMINAL PORTION AT ITS OTHER END, AT LEAST ONE OFF-CENTERED PASSAGEWAY IN SAID TERMINAL PORTION PROVIDING FOR COMMUNICATION BETWEEN SAID BORE AND CHAMBER, AND MEANS INCLUDED ON SAID TERMINAL PORTION TO ENGAGE SAID BALL WHEN SAID VALVE STEM IS CLOSED THEREBY PREVENTING AIR SEEPAGE THROUGH SAID VALVE MEANS INTO THE CONTAINER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |