Patent US2480470A successfully refreshed from Google Patents.
US2480470A
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US
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Thermostatically controlled bath
Assignee: Pure Oil Co
•
Filing: 1946-06-01
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Granted: 1949-08-30
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Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 Charles C Hulbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27539
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1186024A
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US1235796A
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US1572990A
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US1606858A
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US1680398A
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US1873421A
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US2037993A
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US2007596A
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US2145722A
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US2400735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |