US3385959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible heating elements
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1965-05-26
•
Granted: 1968-05-28
•
Expires: 1985-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ames Jack
- 👤 Patton Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:47
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/32; F; F24; F24D; F24D13/00; F24D13/02; H01; H01B; H01B1/00; H01B1/20; H01B1/24; H05B3/10; H05B3/12; H05B3/14; H05B3/146; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |