US3348968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic textile treated with polyalkenoxy agents and corrosion inhibiting salts to prevent static electric charges
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-02-20
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Granted: 1967-10-24
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Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 Hulbert Duncan Robert
- 👤 Sheard Dennis Richard
- 👤 Brown Harold Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:30
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/80; D06M11/82; D06M11/58; D06M11/64; D06M11/65; D06M13/00; D06M13/244; D06M13/248; D06M13/252; D06M13/322; D06M13/372; D06M15/00; D06M15/19; D06M15/37; D06M15/53; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2434
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436978A
Cited
US2461043A
Cited
US2628176A
Cited
US2664409A
Cited
US2740759A
Cited
US2955960A
Cited
US3009830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |