Patent US2437468A successfully refreshed from Google Patents.
US2437468A
Expired / Lapsed
US
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Temperature control system
Assignee: Individual
•
Filing: 1943-11-10
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Granted: 1948-03-09
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Expires: 1963-11-10
Abstract
No abstract record available.
Inventors
- 👤 Rutherford H Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:05
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1300717A
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US1841211A
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US2053974A
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US2198895A
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US2221347A
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US2270037A
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US2318767A
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US2264677A
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US2312479A
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US2362338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |