US3485294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in panel-type heating radiators
Assignee: HEDEMORA VERKSTADER AB
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Filing: 1967-11-03
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Granted: 1969-12-23
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Bengt Olov Lundh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:54
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/0002; F24D19/0004; F24D19/0007; F24D19/0017; F24D19/0024; F24D19/0073; F28; F28F; F28F9/00; F28F9/26; F28F9/262; G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/023; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/109; Y10S165/11; Y10S165/113
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |