US3352211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm unit
Assignee: Danfoss AS
•
Filing: 1967-04-27
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Granted: 1967-11-14
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Expires: 1987-04-27
Abstract
No abstract record available.
Inventors
- 👤 Svend E Jorgensen
- 👤 Siegfred Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A DIAPHRAGM UNIT COMPRISING, A PAIR OF TELESCOPED DISHED PLATE ELEMENTS DISPOSED OPPOSED TO EACH OTHER, EACH PLATE HAVING A RIM GENERALLY PARALLEL TO A COMMOM PLATE INTERMEDIATE SAID PLATE ELEMENTS, THE RIM PORTIONS BEING DISPOSED JUXTAPOSITIONED IN REGISTRY BEARING ON ONE ANOTHER, ONE OF SAID PLATE HAVING A MARGINAL RIM EDGE PORTION BENT REVERSELY OVER A MARGINAL RIM EDGE PORTION OF THE OTHER PLATE AND EXTENDING INWARDLY DEFINING AN ANNULAR WEDGE-SHAPED SPACE CONVERGING IN A DIRECTION OUTWARDLY THE BENT RIM EDGE PORTION DEFINING AN ANGLE WITH THE OTHER MARGINAL RIM PORTION IT OVERLIES HAVING A VALUE IN A RANGE OF ABOUT 15* TO ABOUT 60*, AND A SOLDER FILLING IN SAID WEDGE-SHAPED SPACE SECURING SAID MARGINAL EDGE PORTIONS DEFINING AN ANNULAR SEAL THEREBETWEEEN.
Claim 2
Dependent Claim
124 words
A DIAPHRAGM UNIT COMPRISING, A PAIR OF TELESCOPED DISHED PLATE ELEMENTS DISPOSED OPPOSED TO EACH OTHER, EACH PLATE HAVING A RIM GENERALLY PARALLEL TO A COMMOM PLATE INTERMEDIATE SAID PLATE ELEMENTS, THE RIM PORTIONS BEING DISPOSED JUXTAPOSITIONED IN REGISTRY BEARING ON ONE ANOTHER, ONE OF SAID PLATE HAVING A MARGINAL RIM EDGE PORTION BENT REVERSELY OVER A MARGINAL RIM EDGE PORTION OF THE OTHER PLATE AND EXTENDING INWARDLY DEFINING AN ANNULAR WEDGE-SHAPED SPACE CONVERGING IN A DIRECTION OUTWARDLY THE BENT RIM EDGE PORTION DEFINING AN ANGLE WITH THE OTHER MARGINAL RIM PORTION IT OVERLIES HAVING A VALUE IN A RANGE OF ABOUT 15* TO ABOUT 60*, AND A SOLDER FILLING IN SAID WEDGE-SHAPED SPACE SECURING SAID MARGINAL EDGE PORTIONS DEFINING AN ANNULAR SEAL THEREBETWEEEN.
References Cited (Backward Citations)
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Cited
US1045791A
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US1150606A
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US1816610A
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US2123381A
Cited
US2071583A
Cited
US2323985A
Cited
US2756777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |