Patent US3433295A successfully refreshed from Google Patents.
US3433295A
Expired / Lapsed
US
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Room air distribution and control damper means in an air conditioning system
Assignee: Individual
•
Filing: 1967-10-03
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Granted: 1969-03-18
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Expires: 1987-10-03
Abstract
No abstract record available.
Inventors
- 👤 Gilbert H Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:15
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/1426; F24F13/1413; F24F3/00; F24F3/044; F24F3/048; F24F3/052; F24F3/0525; F24F2013/1473
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |