Patent US3435316A successfully refreshed from Google Patents.
US3435316A
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Static regenerative direct current motor control
Assignee: WEB PRESS ENG Inc
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Filing: 1965-10-21
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Granted: 1969-03-25
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Alan W Wilkerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:09
CPC Classifications
H; H02; H02P; H02P3/00; H02P3/06; H02P3/08; H02P3/14; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/281; H02P7/2815; H02P7/285; H02P7/292; H02P7/293; H02P7/298; H02P7/2985; H03; H03F; H03F3/00; H03F3/26; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/91; Y10S388/923; Y10S388/93; Y10S388/932
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |