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US3048375A
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US
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Means for controlling radiant heat loss or gain
Assignee: RADIANT CEILINGS Inc
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Filing: 1960-12-19
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Granted: 1962-08-07
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 William N Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:30
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/06; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/15; F24S; F24S50/00; F24S50/80; F24S70/00; F24S70/60; F24S70/65; F24D3/00; F24D3/12; Y; Y02; Y02B; Y02B30/00; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S165/00; Y10S165/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1639474A
Cited
US2103271A
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US2073677A
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US2310086A
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US2759574A
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US2952312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |