Patent US3365217A successfully refreshed from Google Patents.
US3365217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint
Assignee: Foster Wheeler Inc
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Filing: 1966-04-04
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Granted: 1968-01-23
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Cooper Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:36
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F16L51/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METALLIC EXPANSION JOINT FOR CONNECTING TWO PASSAGEWAYS COMPRISING, TWO IDENTICAL FLAT LEGS HAVING A PERIPHERY, EACH LEG FORMED WITH AN OPENING DEFINING AN INNER PERIPHERAL EDGE, THE LEGS AXIALLY DISPOSED IN SPACED PARALLEL RELATIONSHIP, THE PERIPHERY AND THE INNER PERIPHERAL EDGE DEFINING A BOUNDARY, AN INTERMEDIATE OPEN-ENDED CONDUIT PORTION CONNECTED TO AND BETWEEN THE LEGS DEFINING WITH THE LEGS A SUBSTANTIALLY U-SHAPED FOLD, MEANS FOR CONNECTING EACH LEG AXIALLY TO ONE OF THE PASSAGEWAYS,
Claim 2
Dependent Claim
75 words
A METALLIC EXPANSION JOINT FOR CONNECTING TWO PASSAGEWAYS COMPRISING, TWO IDENTICAL FLAT LEGS HAVING A PERIPHERY, EACH LEG FORMED WITH AN OPENING DEFINING AN INNER PERIPHERAL EDGE, THE LEGS AXIALLY DISPOSED IN SPACED PARALLEL RELATIONSHIP, THE PERIPHERY AND THE INNER PERIPHERAL EDGE DEFINING A BOUNDARY, AN INTERMEDIATE OPEN-ENDED CONDUIT PORTION CONNECTED TO AND BETWEEN THE LEGS DEFINING WITH THE LEGS A SUBSTANTIALLY U-SHAPED FOLD, MEANS FOR CONNECTING EACH LEG AXIALLY TO ONE OF THE PASSAGEWAYS,
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |