Patent US2606271A successfully refreshed from Google Patents.
US2606271A
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Electric heater and thermostatic control means therefor
Assignee: AMERICAN INSTR CO Inc
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Filing: 1949-07-14
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Granted: 1952-08-05
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Expires: 1969-07-14
Abstract
No abstract record available.
Inventors
- 👤 Morris Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:05
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2007; F24H9/2014; F24H9/2021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750907A
Cited
US2039641A
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US2163801A
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US2128809A
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US2180643A
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US2258835A
Cited
US2446555A
Cited
US2479587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |