Patent US3467830A successfully refreshed from Google Patents.
US3467830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer electrical circuitry
Assignee: Berg Manufacturing and Sales Co
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Filing: 1966-12-08
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Granted: 1969-09-16
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Expires: 1986-12-08
Abstract
No abstract record available.
Inventors
- 👤 Harold L Dobrikin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:14
CPC Classifications
H; H02; H02H; H02H9/00; H02H9/04; B; B60; B60R; B60R16/00; B60R16/02; B60R16/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |