Patent US2677126A successfully refreshed from Google Patents.
US2677126A
Expired / Lapsed
US
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Wave signaling system
Assignee: United States Department of the Army
•
Filing: 1950-06-26
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Granted: 1954-04-27
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Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 Harold D Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:31
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/581
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2479568A
Cited
US2491542A
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US2485583A
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US2535274A
Cited
US2543448A
Cited
US2543449A
Cited
GB625034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |