US2448776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic control and signaling device
Assignee: Individual
•
Filing: 1944-01-19
•
Granted: 1948-09-07
•
Expires: 1964-01-19
Abstract
No abstract record available.
Inventors
- 👤 George W Crise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:33
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)
US1653685A
Cited
US1582872A
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US1909712A
Cited
US1876636A
Cited
US1957343A
Cited
US2134685A
Cited
US2092085A
Cited
US2402312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |