US3198246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction unit
Assignee: Trane Co
•
Filing: 1962-03-26
•
Granted: 1965-08-03
•
Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Brown
- 👤 Earhart Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:35
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/26; F24F11/00; F24F11/70; F24F11/80; F24F11/81; Y; Y10; Y10S; Y10S236/00; Y10S236/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB379430A
Cited
US1296746A
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US1904918A
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US2660946A
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US2962953A
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US2913227A
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US3122201A
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |