US2776796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and cooling control valve
Assignee: Detroit Controls Corp
•
Filing: 1952-10-15
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Granted: 1957-01-08
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Expires: 1972-10-15
Abstract
No abstract record available.
Inventors
- 👤 Neal J Mosely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:46
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/121; G05D23/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |