Patent US2473097A successfully refreshed from Google Patents.
US2473097A
Expired / Lapsed
US
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Thermostatically-operated regulating or controlling apparatus
Assignee: Individual
•
Filing: 1946-01-31
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Granted: 1949-06-14
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Expires: 1966-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hamill William Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:16
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1534005A
Cited
US1578112A
Cited
US1797113A
Cited
FR698688A
Cited
US1858454A
Cited
US2225210A
Cited
US2224240A
Cited
GB558259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |