Patent US3327064A successfully refreshed from Google Patents.
Patent US3447066A successfully refreshed from Google Patents.
US3447066A
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Current control circuit for automatically balancing arbitrarily variable preset current values
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1967-02-15
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Granted: 1969-05-27
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Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Heyner
- 👤 York Rogowsky
- 👤 Robert Jotten
- 👤 Winfried Muttelsee
- 👤 Reiner Foerst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:33
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05B; G05B11/00; G05B11/01; G05B11/32; H; H02; H02J; H02J3/00; H02J3/04; H02J3/06; H02J3/36; Y; Y02; Y02E; Y02E60/00; Y02E60/60
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) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |