US3224220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined radiant and convection cooling system
Assignee: Individual
•
Filing: 1963-04-26
•
Granted: 1965-12-21
•
Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:21
CPC Classifications
F; F25; F25D; F25D13/00; F25D13/06; Y; Y10; Y10S; Y10S165/00; Y10S165/904; Y10S165/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COOLING SYSTEM COMPRISING MEANS DEFINING A TUNNEL, A PERFORATE PLATFORM DISPOSED WITHIN SAID TUNNEL DEFINING MEANS, AT LEAST ONE CARBON BLACKED PLATE COIL FOR ABSORBING ULTRA-LONG WAVE LENGTH RADIATION IN THE SPACE ABOVE SAID PLATFORM, AND MEANS FOR DIRECTING A MODERATE MOVEMENT OF COOLING AIR THROUGH SAID TUNNEL DEFINING MEANS.
Claim 2
Dependent Claim
51 words
A COOLING SYSTEM COMPRISING MEANS DEFINING A TUNNEL, A PERFORATE PLATFORM DISPOSED WITHIN SAID TUNNEL DEFINING MEANS, AT LEAST ONE CARBON BLACKED PLATE COIL FOR ABSORBING ULTRA-LONG WAVE LENGTH RADIATION IN THE SPACE ABOVE SAID PLATFORM, AND MEANS FOR DIRECTING A MODERATE MOVEMENT OF COOLING AIR THROUGH SAID TUNNEL DEFINING MEANS.
References Cited (Backward Citations)
US2237256A
Cited
US2223972A
Cited
US2425714A
Cited
US2783618A
Cited
US2981081A
Cited
GB882148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |