US3068776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air distribution apparatus
Assignee: Carrier Corp
•
Filing: 1959-09-23
•
Granted: 1962-12-18
•
Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 William M Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:39
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1431145A
Cited
US2135461A
Cited
US2057494A
Cited
US2463322A
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US2819023A
Cited
US2787946A
Cited
US2775188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |