US2422924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature regulator
Assignee: Fulton Sylphon Co
•
Filing: 1944-08-07
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Granted: 1947-06-24
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Expires: 1964-08-07
Abstract
No abstract record available.
Inventors
- 👤 Louis M Puster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:59
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/1366; F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1126914A
Cited
US1243998A
Cited
AT122606B
Cited
US1952516A
Cited
US1919508A
Cited
US1941298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |