US2991344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: General Electric Co
•
Filing: 1958-10-31
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Granted: 1961-07-04
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Expires: 1978-10-31
Abstract
No abstract record available.
Inventors
- 👤 George B Benander
- 👤 Walter C Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:55
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/50; H01H13/56; H01H13/58; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603786A
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US636458A
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US2209382A
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US2684418A
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US2820113A
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US2885515A
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US2933578A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |