Patent US3543223A successfully refreshed from Google Patents.
US3543223A
Expired / Lapsed
US
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Thin electrical socket
Assignee: Siemens AG
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Filing: 1968-01-03
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Granted: 1970-11-24
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Expires: 1988-01-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert Krautwald
- 👤 Harry Schroder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:50
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/113; H01R13/46; H01R13/502
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA549559A
Cited
GB361056A
Cited
US2074791A
Cited
US2781499A
Cited
US2979688A
Cited
US3195096A
Cited
US3202959A
Cited
US3274533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |