US2807992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air distributor for air conditioning units
Assignee: Motors Liquidation Co
•
Filing: 1954-01-04
•
Granted: 1957-10-01
•
Expires: 1974-01-04
Abstract
No abstract record available.
Inventors
- 👤 Shirley F Ehman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:21
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/12; F24F13/02; F24F13/06; F24F13/068; F24F11/00; F24F11/70; F24F11/72; F24F11/79
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) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |