US3403318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static inverter system with frequency regulation of inverter output voltage as a function of inverter input voltage amplitude
Assignee: Borg Warner Corp
•
Filing: 1965-11-01
•
Granted: 1968-09-24
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Expires: 1985-11-01
Abstract
No abstract record available.
Inventors
- 👤 Krauthamer Stanley
- 👤 Lilienstein Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:18
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/10; H02M3/125; H02M3/135; H02M3/137; H02M5/00; H02M5/40; H02M5/42; H02M5/44; H02M5/443; H02M5/45; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/525; H02P; H02P2201/00; H02P2201/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2959725A
Cited
US2916688A
Cited
US3237081A
Cited
US3124740A
Cited
US3295044A
Cited
US3320477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |