Patent US2536747A successfully refreshed from Google Patents.
US2536747A
Expired / Lapsed
US
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Electric resistance heater and heated vessel
Assignee: Individual
•
Filing: 1948-03-31
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Granted: 1951-01-02
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Expires: 1968-03-31
Abstract
No abstract record available.
Inventors
- 👤 Lee P Hynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:17
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/78; H05B3/82; Y; Y10; Y10S; Y10S439/00; Y10S439/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB175282A
Cited
US1736451A
Cited
US1899933A
Cited
US1829785A
Cited
US1997146A
Cited
US2035306A
Cited
US2255518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |