Patent US2830200A successfully refreshed from Google Patents.
US2830200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply
Assignee: Motorola Solutions Inc
•
Filing: 1954-04-14
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Granted: 1958-04-08
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Expires: 1974-04-14
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E H Backman
- 👤 Glen R Madland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/54; H02M7/58; H02M7/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529152A
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US1276934A
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US2251302A
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US2347165A
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US2423614A
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US2420609A
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US2445390A
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US2451461A
Cited
US2468578A
Cited
US2703376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |