US2416922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulating circuits
Assignee: Amalgamated Wireless Australasia Ltd
•
Filing: 1943-08-30
•
Granted: 1947-03-04
•
Expires: 1963-08-30
Abstract
No abstract record available.
Inventors
- 👤 Irish Alfred John
- 👤 Lindsay Donald Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:25
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2210393A
Cited
US2318644A
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US2219195A
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US2299942A
Cited
US2301343A
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US2316577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |