Patent US2476199A successfully refreshed from Google Patents.
US2476199A
Expired / Lapsed
US
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Weighted average temperature control
Assignee: Vapor Heating Corp
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Filing: 1945-04-16
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Granted: 1949-07-12
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Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 Timothy J Lehane
- 👤 Everett H Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:27
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27539; F; F24; F24F; F24F11/00; F24F11/30; F24F11/62; F24F11/88
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) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |