US3051952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
U.h.f. loop antenna
Assignee: GTE Sylvania Inc
•
Filing: 1958-06-02
•
Granted: 1962-08-28
•
Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Marion J Pifer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:47
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/24; Y; Y10; Y10S; Y10S439/00; Y10S439/916; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45529; Y10T24/45534
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US812661A
Cited
US895608A
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US1204227A
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GB383982A
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GB413461A
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US2203122A
Cited
GB452093A
Cited
US2191297A
Cited
US2132938A
Cited
US2222752A
Cited
US2716191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |