Patent US2842767A successfully refreshed from Google Patents.
US2842767A
Expired / Lapsed
US
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Parabolic reflector with a structural member front skin
Assignee: Texas Instruments Inc
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Filing: 1954-02-03
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Granted: 1958-07-08
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Expires: 1974-02-03
Abstract
No abstract record available.
Inventors
- 👤 John L Darrouzet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:50
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10; H01Q19/12; H01Q19/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2413187A
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US2415678A
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US2463569A
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US2484822A
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US2543188A
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US2494368A
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US2679004A
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US2747180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |