Patent US2464346A successfully refreshed from Google Patents.
US2464346A
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US
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Auxiliary space thermostat
Assignee: Iron Fireman Manufacturing Co
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Filing: 1944-03-01
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Granted: 1949-03-15
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Expires: 1964-03-01
Abstract
No abstract record available.
Inventors
- 👤 Max C Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:17
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/2754
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925455A
Cited
US2209941A
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US2181427A
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GB499235A
Cited
US2223283A
Cited
US2331737A
Cited
US2329614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |