US3500426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically driven antenna array
Assignee: Scott Fetzer Co
•
Filing: 1966-06-03
•
Granted: 1970-03-10
•
Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Donald H Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:02
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q19/00; H01Q19/28; H01Q19/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1914886A
Cited
US2031065A
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US2066900A
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US1933669A
Cited
US2212214A
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US2128400A
Cited
US2404093A
Cited
US2397543A
Cited
US2963703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |