Patent US2188498A successfully refreshed from Google Patents.
US2188498A
Expired / Lapsed
US
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Remote control wave signal receiver
Assignee: BAE Systems Aerospace Inc
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Filing: 1938-10-22
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Granted: 1940-01-30
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Expires: 1958-10-22
Abstract
No abstract record available.
Inventors
- 👤 Leslie F Curtis
- 👤 John F Farrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:52
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/248; H03J1/00; H03J1/18; H03J1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-01-29 | 1943-07-31 | 1944-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-29 | 1947-07-31 | 1948-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-29 | 1951-07-31 | 1952-01-30 | $7700.00 | Window Closed / Lapsed |