Patent US3026627A successfully refreshed from Google Patents.
US3026627A
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US
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Rotary cylindrical heat transfer device
Assignee: RN Corp
•
Filing: 1960-01-04
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Granted: 1962-03-27
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Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Moklebust Olav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:36
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/14; F27B7/16; F27B7/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB624683A
Cited
US1187959A
Cited
US1791403A
Cited
US1942140A
Cited
DE905375C
Cited
US2410598A
Cited
US2603561A
Cited
US2948525A
Cited
US2927016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |