Patent US3038049A successfully refreshed from Google Patents.
US3038049A
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Relay
Assignee: 3M Co
•
Filing: 1957-08-15
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Granted: 1962-06-05
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Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
- 👤 Robert W Fritts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:56
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/30; H01H43/301; H01H43/302; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1921; G05D23/275; H01H37/00; H01H37/02; H01H37/32; H01H37/46; H01H37/48; H01H61/00; H01H61/01; H01H61/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US450985A
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US954682A
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GB150109A
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US2004421A
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US1886439A
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US2388564A
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US2660030A
Cited
US2886618A
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US2777975A
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US2749716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |