US2777663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator connecting device
Assignee: Individual
•
Filing: 1951-08-28
•
Granted: 1957-01-15
•
Expires: 1971-08-28
Abstract
No abstract record available.
Inventors
- 👤 Axlander Axel Nore Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:04
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/0002; F24D19/0004; F24D19/0026; F24D19/0029; F24D19/0039; F24D19/0053; F24D19/0056; F24D19/0058; F24D19/006; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6497; Y10T137/9029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR625733A
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US1833068A
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US1831713A
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GB516501A
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US2277247A
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US2308482A
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US2487484A
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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) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |