Patent US3363478A successfully refreshed from Google Patents.
US3363478A
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US
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Driving means for rotary heat exchangers
Assignee: Corning Glass Works
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Filing: 1964-08-19
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Granted: 1968-01-16
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 John G Lanning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:12
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/048; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
MEANS FOR ROTATING ABOUT AN AXIS A HEAT EXCHANGER HAVING A CERAMIC RIM WITH A SURFACE IN THE FORM OF A CIRCULAR CYLINDER HAVING SAID AXIS AS ITS CENTER, SAID MEANS COMPRISING A SPRING HAVING AT LEAST ONE SINUATION, SAID SPRING BEING COMPRESSIBLE IN A RADIAL DIRECTION AND HAVING AN INNER SURFACE ENGAGING SAID SURFACE OF SAID RIM IN DRIVING RELATIONSHIP THERETO, AND MEANS FOR ENGAGING THE OUTER SURFACE OF SAID SPRING TO DRIVE SAID SPRING IN A GENERALLY CIRCULAR PATH ABOUT SAID AXIS.
Claim 2
Dependent Claim
84 words
MEANS FOR ROTATING ABOUT AN AXIS A HEAT EXCHANGER HAVING A CERAMIC RIM WITH A SURFACE IN THE FORM OF A CIRCULAR CYLINDER HAVING SAID AXIS AS ITS CENTER, SAID MEANS COMPRISING A SPRING HAVING AT LEAST ONE SINUATION, SAID SPRING BEING COMPRESSIBLE IN A RADIAL DIRECTION AND HAVING AN INNER SURFACE ENGAGING SAID SURFACE OF SAID RIM IN DRIVING RELATIONSHIP THERETO, AND MEANS FOR ENGAGING THE OUTER SURFACE OF SAID SPRING TO DRIVE SAID SPRING IN A GENERALLY CIRCULAR PATH ABOUT SAID AXIS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |