US3297048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety valve
Assignee: Individual
•
Filing: 1963-10-10
•
Granted: 1967-01-10
•
Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Imhof Augustin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:44
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; B60T17/22; B60T11/00; B60T11/10; B60T11/28; B60T11/32; B60T11/323; F; F16; F16K; F16K15/00; F16K15/14; F16K15/148; F16K17/00; F16K17/02; F16K17/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7869; Y10T137/7879; Y10T137/7888; Y10T137/789; Y10T137/8158; Y10T137/8225; Y10T137/8242; Y10T137/8326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A SAFETY VALVE INSERTED BETWEEN TWO CONDUITS OF A FLUID LINE, COMPRISING A VALVE CHAMBER WITH TWO PORTS RESPECTIVELY CONNECTED TO SAID CONDUITS, SAID CHAMBER HAVING AN INNER WALL FORMING A SEAT AROUND ONE OF SAID PORTS, A GENERALLY CUP-SHAPED MEMBRANE OF RESILIENT MATERIAL IN SAID CHAMBER BEARING ON SAID SEAT WITH ITS CONCAVE SIDE FACING ONE OF SAID PORTS, SAID MEMBRANE BEING PROVIDED WITH AT LEAST ONE CUTOUT NORMALLY ENABLING COMMUNICATION BETWEEN SAID PORTS BUT BLOCKING SAID COMMUNICATION UPON A PARTIAL DEFLECTION OF SAID MEMBRANE AGAINST
Claim 2
Dependent Claim
87 words
A SAFETY VALVE INSERTED BETWEEN TWO CONDUITS OF A FLUID LINE, COMPRISING A VALVE CHAMBER WITH TWO PORTS RESPECTIVELY CONNECTED TO SAID CONDUITS, SAID CHAMBER HAVING AN INNER WALL FORMING A SEAT AROUND ONE OF SAID PORTS, A GENERALLY CUP-SHAPED MEMBRANE OF RESILIENT MATERIAL IN SAID CHAMBER BEARING ON SAID SEAT WITH ITS CONCAVE SIDE FACING ONE OF SAID PORTS, SAID MEMBRANE BEING PROVIDED WITH AT LEAST ONE CUTOUT NORMALLY ENABLING COMMUNICATION BETWEEN SAID PORTS BUT BLOCKING SAID COMMUNICATION UPON A PARTIAL DEFLECTION OF SAID MEMBRANE AGAINST
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |