Patent US3164708A successfully refreshed from Google Patents.
US3164708A
Expired / Lapsed
US
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Precious metal tip for strowger switch wipers
Assignee: Automatic Electric Laboratories Inc
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Filing: 1960-10-27
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Granted: 1965-01-05
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Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 Dale D Theobald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:36
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2373861A
Cited
US2646613A
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US2699597A
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US2773964A
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US2937434A
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US2814700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |