Patent US1196211A successfully refreshed from Google Patents.
US3549990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-sparking a-c connectors
Assignee: JEROME S HOCHHEISER
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Filing: 1968-08-19
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Granted: 1970-12-22
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Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Jerome S Hochheiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:34
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/14; H01F27/00; H01F27/40; H01R; H01R11/00; H01R11/11; H01R11/30; H01F2038/143; Y; Y10; Y10S; Y10S336/00; Y10S336/02
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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |