US2545353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control system
Assignee: General Electric Co
•
Filing: 1945-05-23
•
Granted: 1951-03-13
•
Expires: 1965-05-23
Abstract
No abstract record available.
Inventors
- 👤 Russell A Gund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:19
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/1906; G05D23/1909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1276589A
Cited
GB144669A
Cited
US1715750A
Cited
US2148491A
Cited
DE640150C
Cited
US2278633A
Cited
US2292975A
Cited
US2318358A
Cited
GB557707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |