US2662747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseboard radiator provided with damper
Assignee: Trane Co
•
Filing: 1951-03-16
•
Granted: 1953-12-15
•
Expires: 1971-03-16
Abstract
No abstract record available.
Inventors
- 👤 Trane Reuben Nicholas
- 👤 Otto A Labus
- 👤 Trane Helen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/02; F24D19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1834931A
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US1882452A
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US1859056A
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US1861484A
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US1915226A
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US1952707A
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US1956617A
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US1971841A
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US2246602A
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US2487287A
Cited
US2539293A
Cited
US2477824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |