Patent US3400293A successfully refreshed from Google Patents.
US3400293A
Expired / Lapsed
US
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Adapter bulb for providing external electrical connection between powered vehicles and trailers
Assignee: Arcoa Inc
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Filing: 1965-01-05
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Granted: 1968-09-03
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Expires: 1985-01-05
Abstract
No abstract record available.
Inventors
- 👤 Harry J Reichardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:55
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/30; B60Q1/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US728060A
Cited
FR607107A
Cited
US1727826A
Cited
US1774646A
Cited
US1842543A
Cited
US1905843A
Cited
US2660679A
Cited
US3286255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |