Patent US3377022A successfully refreshed from Google Patents.
US3377022A
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Thermomechanical automatic control system for heating and cooling air
Assignee: Motors Liquidation Co
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Filing: 1965-12-16
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Granted: 1968-04-09
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Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 Paul K Beatenbough
- 👤 Gary E Richards
- 👤 Philip S Rogers
- 👤 Carl A Scherer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:50
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00814; B60H1/00821; B60H1/00835; F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/76; F24F13/00; F24F13/02; F24F13/04; G; G05; G05D; G05D23/00; G05D23/185; F24F11/30; F24F13/08; F24F13/10; F24F13/14; F24F2110/00; F24F2110/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1764799A
Cited
US2729394A
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US2835449A
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US2815915A
Cited
US2997240A
Cited
US3310234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |