Patent US3427818A successfully refreshed from Google Patents.
US3427818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic control
Assignee: Modine Manufacturing Co
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Filing: 1966-12-19
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Granted: 1969-02-18
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Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3205; B60H1/321; B60H1/00642; B60H1/00735; B60H1/0075; B60H2001/3269; B60H2001/327
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2377782A
Cited
US3040543A
Cited
US3120108A
Cited
US3222882A
Cited
US3359749A
Cited
US3298191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |