US3019324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater
Assignee: Meritor Inc
•
Filing: 1960-04-27
•
Granted: 1962-01-30
•
Expires: 1980-04-27
Abstract
No abstract record available.
Inventors
- 👤 John P Sohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:33
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/06; F24C7/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533795A
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US1065015A
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US1014161A
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US1023475A
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FR481044A
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GB309376A
Cited
US2005364A
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US2102097A
Cited
US2462607A
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US2548511A
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US2685633A
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US2668220A
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US2912661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |