Patent US3385981A successfully refreshed from Google Patents.
US3385981A
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Double injection two carrier devices and method of operation
Assignee: Raytheon Co
•
Filing: 1965-05-03
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Granted: 1968-05-28
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 James W Mayer
- 👤 Ogden J Marsh
- 👤 Robert E Baron
- 👤 Gerald S Picus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:22
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/20; H10F30/29; H10F30/292; H10F30/2925; H10F99/00; G; G01; G01T; G01T1/00; G01T1/16; G01T1/24; H10D; H10D48/00; H10D48/40; H10D8/00; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2908871A
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US2986591A
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US3043959A
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US3225198A
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US3229106A
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US3265899A
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US3245002A
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US3249764A
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US3267294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |