US3299960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1964-10-30
•
Granted: 1967-01-24
•
Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Gottfried F Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:17
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/70; B65D83/16; B65D83/162; B65D83/44; B65D83/48; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/7722; Y10T137/7771
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A VALVE FOR A CONTAINER HAVING THEREIN A NORMALLY GASEOUS LIQUID, SAID VALVE HAVING MEANS FOR PERMITTING THE DISCHARGE OF AT LEAST PART OF THE CONTENTS OF SAID CONTAINER THROUGH SAID VALVE TO DISPENSE SAID MATERIAL FROM SAID CONTAINER AS DESIRED, SAID VALVE HAVING A PORTION HAVING A MICROSCOPIC PERFORATION IMPERMEABLE TO DISCHARGE OF THE CONTENTS OF THE CONTAINER THROUGH SAID PERFORATION UNDER THE NORMAL PRESSURES IN SAID CONTAINER BUT PERMEABLE TO DISCHARGE THROUGH SAID PERFORATION WHEN THE PRESSURE IN THE CONTAINER EXCEEDS SAID NORMAL PRESSURE AND APPROACHES A LEVEL AT WHICH RUPTURE OF SAID CONTAINER OCCURS.
Claim 2
Dependent Claim
97 words
A VALVE FOR A CONTAINER HAVING THEREIN A NORMALLY GASEOUS LIQUID, SAID VALVE HAVING MEANS FOR PERMITTING THE DISCHARGE OF AT LEAST PART OF THE CONTENTS OF SAID CONTAINER THROUGH SAID VALVE TO DISPENSE SAID MATERIAL FROM SAID CONTAINER AS DESIRED, SAID VALVE HAVING A PORTION HAVING A MICROSCOPIC PERFORATION IMPERMEABLE TO DISCHARGE OF THE CONTENTS OF THE CONTAINER THROUGH SAID PERFORATION UNDER THE NORMAL PRESSURES IN SAID CONTAINER BUT PERMEABLE TO DISCHARGE THROUGH SAID PERFORATION WHEN THE PRESSURE IN THE CONTAINER EXCEEDS SAID NORMAL PRESSURE AND APPROACHES A LEVEL AT WHICH RUPTURE OF SAID CONTAINER OCCURS.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |