US3422888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air distribution terminal
Assignee: Carrier Corp
•
Filing: 1967-06-29
•
Granted: 1969-01-21
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Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Milton H Coleman
- 👤 Darwin G Traver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:21
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/26; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/30
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |