US3041558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveguide system
Assignee: General Electric Co
•
Filing: 1955-03-24
•
Granted: 1962-06-26
•
Expires: 1975-03-24
Abstract
No abstract record available.
Inventors
- 👤 Burton P Brown
- 👤 Earl R Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:50
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2508479A
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US2709789A
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US2610250A
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US2567210A
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US2722661A
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US2663848A
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US2769148A
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US2760171A
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US2770781A
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US2790149A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |