US3065685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular air diffuser
Assignee: CARNES Corp
•
Filing: 1959-12-03
•
Granted: 1962-11-27
•
Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Sylvester
- 👤 Frank A Freese
- 👤 Robert W Krogstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:33
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2116873A
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US2734446A
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US2735352A
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US2146339A
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US2977869A
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US2824429A
Cited
US2786407A
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US2792985A
Cited
US2909112A
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US2865277A
Cited
US2982197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |