Patent US2515914A successfully refreshed from Google Patents.
US2515914A
Expired / Lapsed
US
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Contact mounting for electrical switches
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1945-09-07
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Granted: 1950-07-18
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Expires: 1965-09-07
Abstract
No abstract record available.
Inventors
- 👤 Vigren Sten Daniel
- 👤 Broberg Walter Otto Wilhelm
- 👤 Olsson Oscar Karl Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:07
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/56; H01H50/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1515632A
Cited
US1645897A
Cited
US2127322A
Cited
US2134448A
Cited
US2282687A
Cited
US2279811A
Cited
US2348088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |