US3512045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground fault responsive apparatus for electric power distribution apparatus
Assignee: OZ Electrical Manufacturing Co Inc
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Filing: 1968-06-28
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Granted: 1970-05-12
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Expires: 1988-06-28
Abstract
No abstract record available.
Inventors
- 👤 William C Tipton
- 👤 Robert A Philibert
- 👤 David M Sanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:06
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/20; H01F38/38; H02; H02H; H02H1/00; H02H1/04; H02H3/00; H02H3/26; H02H3/32; H02H3/34; H02H3/347; H01H; H01H83/00; H01H83/14; H01H83/144
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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |