Patent US3538476A successfully refreshed from Google Patents.
US3538476A
Expired / Lapsed
US
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Low-voltage electric circuit-breaker
Assignee: EQUIPMENT GEWERAL ELECTR EGELE
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Filing: 1969-04-30
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Granted: 1970-11-03
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Expires: 1989-04-30
Abstract
No abstract record available.
Inventors
- 👤 Rene Auchapt
- 👤 Gerard Michel Rene Jullien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:28
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/02; H01H73/18; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/161; H01H71/24; H01H71/38; H01H71/50; H01H71/505; H01H73/22; H01H73/30; H01H2071/506; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/713
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) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |