Patent US2782006A successfully refreshed from Google Patents.
US2782006A
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US
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Panel for radiant heating or cooling systems
Assignee: Individual
•
Filing: 1952-10-16
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Granted: 1957-02-19
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Expires: 1972-10-16
Abstract
No abstract record available.
Inventors
- 👤 Frenger Karl Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:18
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/12; F24D3/16; F24D3/165; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1698571A
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US1833174A
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US1738469A
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US2328757A
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US2382340A
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US2490663A
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US2628078A
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US2662743A
Cited
US2662745A
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US2662746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |