Patent US3225788A successfully refreshed from Google Patents.
US2486536A
Expired / Lapsed
US
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Radio receiver unit mounted in a suitcase
Assignee: Individual
•
Filing: 1945-12-22
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Granted: 1949-11-01
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Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Olson Arvilla Nathalyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:33
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/08; H04B1/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2078321A
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US2175025A
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US2242201A
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US2226900A
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US2237260A
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US2258942A
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US2315315A
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US2292163A
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US2328012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |