Patent US5496332A successfully refreshed from Google Patents.
US3469415A
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Heat exchanger for a beverage dispensing machine
Assignee: Cornelius Co
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Filing: 1967-12-08
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Granted: 1969-09-30
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Expires: 1987-12-08
Abstract
No abstract record available.
Inventors
- 👤 Richard T Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/0206; F28D1/0213; F25; F25D; F25D31/00; F25D31/002; F28F; F28F1/00; F28F1/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49359
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2716866A
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US1898028A
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US1840724A
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US1879140A
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US1930220A
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US2006299A
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US2138525A
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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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |