US3067669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air diffuser
Assignee: Air Devices Inc
•
Filing: 1958-07-08
•
Granted: 1962-12-11
•
Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Cortland N O'day
- 👤 George J Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:15
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2395319A
Cited
US2630057A
Cited
US2560802A
Cited
US2847929A
Cited
US2837019A
Cited
US2881689A
Cited
US2907260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |