US3434678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave to dc converter
Assignee: Raytheon Co
•
Filing: 1965-05-05
•
Granted: 1969-03-25
•
Expires: 1985-05-05
Abstract
No abstract record available.
Inventors
- 👤 William C Brown
- 👤 Roscoe H George
- 👤 Neil I Heenan
- 👤 Roger C Wonson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:59
CPC Classifications
H; H02; H02M; H02M11/00; H02J; H02J50/00; H02J50/10; H02J50/20; H02J50/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1217149A
Cited
US2165055A
Cited
US2444458A
Cited
US2927321A
Cited
US3174705A
Cited
US3098971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |