Patent US2870751A successfully refreshed from Google Patents.
US2870751A
Expired / Lapsed
US
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Pumpless liquid heater and translator
Assignee: KULJIAN Corp
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Filing: 1955-09-06
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Granted: 1959-01-27
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Expires: 1975-09-06
Abstract
No abstract record available.
Inventors
- 👤 Harry A Kuljian
- 👤 Jr William J Fadden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:42
CPC Classifications
F; F22; F22D; F22D11/00; F22D11/02; F22D11/06; B; B01; B01D; B01D19/00; B01D19/0042; F22D1/00; F22D1/28; F22D1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US804827A
Cited
US1508985A
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US1887000A
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US2141899A
Cited
US2489345A
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US2566732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |