Patent US3273587A successfully refreshed from Google Patents.
US3273587A
Expired / Lapsed
US
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Fausek etal lager valve
Assignee: —
•
Filing: —
•
Granted: 1966-09-20
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:21
CPC Classifications
B; B67; B67D; B67D3/00; B67D3/04; B67D3/047; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/614
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
IN A LAGER VALVE HAVING A STATIONARY ORIFICE SURROUNDED BY A SEAT AREA, A SEAL-HOLDER COOPERATING WITH AND MOVABLE RELATIVE TO SAID ORIFICE BETWEEN A POSITION WHEREAT SAID ORIFICE IS CLOSED AND A POSITION WHEREAT SAID ORIFICE IS OPEN, A SEAL MOVABLE WITH SAID SEAL-HOLDER AND MAINTAINED IN CONTACT WITH SAID SEAT DURING SUCH MOVEMENT; THE IMPROVEMENT WHICH COMPRISES, A CAVITY BE-
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 |