Patent US3417192A successfully refreshed from Google Patents.
US3417192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Junction box
Assignee: 3M Co
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Filing: 1967-01-23
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Granted: 1968-12-17
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Robert A Elm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:11
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/16; H01; H01R; H01R4/00; H01R4/24; H01R4/2404; H01R4/28; H01R4/48; H01R4/489; H01R9/00; H01R9/22
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |