Patent US2647414A successfully refreshed from Google Patents.
US2647414A
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US
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Dual control attachment for automobiles
Assignee: NAFE
•
Filing: 1950-06-20
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Granted: 1953-08-04
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Expires: 1970-06-20
Abstract
No abstract record available.
Inventors
- 👤 Sr James E Nafe
- 👤 Claire C Christy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:45
CPC Classifications
B; B60; B60K; B60K23/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20516; Y10T74/20576; Y10T74/20888; Y10T74/209; Y10T74/20906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1051446A
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US1261425A
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US1941516A
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US2084932A
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US2166978A
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US2427269A
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US2524486A
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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) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |