Patent US6214045B1 successfully refreshed from Google Patents.
US3034715A
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US
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Electrical measuring apparatus
Assignee: Ingersoll Milling Machine Co
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Filing: 1956-12-10
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Granted: 1962-05-15
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Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Elmer K Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:43
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127; H; H03; H03M; H03M1/00; H03M1/12; H03M1/14; H03M1/16; H03M1/161; H03M1/22; H03M1/24; H03M1/28; H03M1/30; H03M1/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2087039A
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US2570306A
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US2496585A
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US2666912A
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US2686236A
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US2750584A
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US2818557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |