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US2606995A
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US
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Electric resistance heating device for liquids
Assignee: Individual
•
Filing: 1950-05-20
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Granted: 1952-08-12
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Expires: 1970-05-20
Abstract
No abstract record available.
Inventors
- 👤 Trubert Rene Eugene Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:32
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/004; A47J27/21; A47J27/21008; A47J27/21016; A47J27/21033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448510A
Cited
US1588776A
Cited
US1680743A
Cited
US1637155A
Cited
US2233485A
Cited
US2266090A
Cited
US2269689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |