US3330260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-tight pipe wall with fin-equipped pipes
Assignee: Hitachi Zosen Inova Steinmueller GmbH
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Filing: 1966-03-30
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Granted: 1967-07-11
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Seibold Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:36
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/101; F22B37/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A GAS-TIGHT PIPE WALL, ESPECIALLY FOR USE IN CONNECTION WITH BOILER INSTALLATIONS, WHICH INCLUDES: FIRST PIPE MEANS ARRANGED ALONGSIDE EACH OTHER AND RESPECTIVELY PROVIDED WITH FIN MEANS EXTENDING IN THE LONGITUDINAL DIRECTION OF SAID FIRST PIPE MEANS, ADJACENT FIN MEANS BEING WELDED TO EACH OTHER, ADJACENT FIN MEANS OF AT LEAST SOME ADJACENT FIRST PIPE MEANS HAVING CUTOUTS ARRANGED IN ALIGNMENT WITH EACH OTHER WHILE ADJACENT FIRST PIPE MEANS WITHIN THE AREA OF SAID CUTOUTS AND RESPECTIVELY PERTAINING TO ADJACENT FIN MEANS WITH SAID CUTOUTS THEREIN ARE BENT AWAY FROM EACH OTHER WITHIN THE PLANE OF SAID PIPE WALL TO THEREBY DEFINE PASSAGE MEANS BETWEEN ADJACENT FIRST PIPE MEANS, SECOND PIPE MEANS EXTENDING THROUGH SAID PASSAGE MEANS, AND MEANS CONNECTING SAID SECOND PIPE MEANS TO THE RESPECTIVE ADJACENT FIRST PIPE MEANS IN A GAS-TIGHT MANNER.
Claim 2
Dependent Claim
135 words
A GAS-TIGHT PIPE WALL, ESPECIALLY FOR USE IN CONNECTION WITH BOILER INSTALLATIONS, WHICH INCLUDES: FIRST PIPE MEANS ARRANGED ALONGSIDE EACH OTHER AND RESPECTIVELY PROVIDED WITH FIN MEANS EXTENDING IN THE LONGITUDINAL DIRECTION OF SAID FIRST PIPE MEANS, ADJACENT FIN MEANS BEING WELDED TO EACH OTHER, ADJACENT FIN MEANS OF AT LEAST SOME ADJACENT FIRST PIPE MEANS HAVING CUTOUTS ARRANGED IN ALIGNMENT WITH EACH OTHER WHILE ADJACENT FIRST PIPE MEANS WITHIN THE AREA OF SAID CUTOUTS AND RESPECTIVELY PERTAINING TO ADJACENT FIN MEANS WITH SAID CUTOUTS THEREIN ARE BENT AWAY FROM EACH OTHER WITHIN THE PLANE OF SAID PIPE WALL TO THEREBY DEFINE PASSAGE MEANS BETWEEN ADJACENT FIRST PIPE MEANS, SECOND PIPE MEANS EXTENDING THROUGH SAID PASSAGE MEANS, AND MEANS CONNECTING SAID SECOND PIPE MEANS TO THE RESPECTIVE ADJACENT FIRST PIPE MEANS IN A GAS-TIGHT MANNER.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |