US3440408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated transparent panels incorporating heating wires
Assignee: Pilkington Automotive Ltd
•
Filing: 1967-10-10
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Granted: 1969-04-22
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Expires: 1987-10-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth Walter Brittan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:35
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10376; B32B17/10385; B32B17/1055; B32B17/10761; B32B17/10807; B32B17/10899; B32B17/10926; H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/28; H05B3/286; H05B3/84; H05B3/86; H05B2203/00; H05B2203/017; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2360267A
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US2526327A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |