Patent EP0426322A1 successfully refreshed from Google Patents.
US3484583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination of electrically heated transparent window and antenna
Assignee: PPG Industries Inc
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Filing: 1968-07-23
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Granted: 1969-12-16
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Expires: 1988-07-23
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Shaw Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1271; H01Q1/1278; B; B60; B60J; B60J1/00; B60J1/02; H05; H05B; H05B3/00; H05B3/84; H05B2203/00; H05B2203/016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE730131C
Cited
US2806118A
Cited
US2787696A
Cited
US2992313A
Cited
US2947841A
Cited
US3409759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |