Patent US2928770A successfully refreshed from Google Patents.
US2864047A
Expired / Lapsed
US
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Motor control system
Assignee: Genesis Worldwide Inc
•
Filing: 1955-01-06
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Granted: 1958-12-09
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Expires: 1975-01-06
Abstract
No abstract record available.
Inventors
- 👤 Claude E Greene
- 👤 Wayne H Ulman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:36
CPC Classifications
H; H02; H02P; H02P29/00; H02P29/40; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1654937A
Cited
US1847934A
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US2027235A
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US2117908A
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US2190757A
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US2504155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |