Patent US3090403A successfully refreshed from Google Patents.
US3090403A
Expired / Lapsed
US
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Laminated metallic bellows
Assignee: EG&G Sealol Inc
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Filing: 1962-02-09
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Granted: 1963-05-21
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Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 Kroekel Rolf Heinz Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:41
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/047; F16L; F16L51/00; F16L51/02; F16L51/025; F16L51/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METALLIC BELLOWS STRUCTURE ADAPTED TO CONNECT TWO RELATIVELY MOVABLE PARTS TO FORM A FLEXIBLE AND EXPANSIBLE JOINT THEREBETWEEN, SAID BELLOWS STRUCTURE CONSISTING OF A PLURALITY OF DIAPHRAGMS, EACH DIAPHRAGM COMPRISING TWO LAYERS OF FLEXIBLE METAL, HAVING A CENTRAL BORE, ONE OF SAID LAYERS HAVING A GAS ESCAPE ORIFICE EXPOSED TO THE ATMOSPHERE, SAID DIAPHRAGMS BEING WELDED TO EACH OTHER AND TO THE ADJACENT DIAPHRAGMS ON ONE SIDE THEREOF AT THE OUTER MARGINS AND TO EACH OTHER AND TO ADJACENT DIAPHRAGMS ON THE OPPOSITE SIDE THEREOF AT THE INNER MARGINS AT THE CENTRAL BORE.
Claim 2
Dependent Claim
94 words
A METALLIC BELLOWS STRUCTURE ADAPTED TO CONNECT TWO RELATIVELY MOVABLE PARTS TO FORM A FLEXIBLE AND EXPANSIBLE JOINT THEREBETWEEN, SAID BELLOWS STRUCTURE CONSISTING OF A PLURALITY OF DIAPHRAGMS, EACH DIAPHRAGM COMPRISING TWO LAYERS OF FLEXIBLE METAL, HAVING A CENTRAL BORE, ONE OF SAID LAYERS HAVING A GAS ESCAPE ORIFICE EXPOSED TO THE ATMOSPHERE, SAID DIAPHRAGMS BEING WELDED TO EACH OTHER AND TO THE ADJACENT DIAPHRAGMS ON ONE SIDE THEREOF AT THE OUTER MARGINS AND TO EACH OTHER AND TO ADJACENT DIAPHRAGMS ON THE OPPOSITE SIDE THEREOF AT THE INNER MARGINS AT THE CENTRAL BORE.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |