Patent US3746573A successfully refreshed from Google Patents.
US3746573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing carpet having low static charge
Assignee: Kureha Corp
•
Filing: 1971-03-10
•
Granted: 1973-07-17
•
Expires: 1991-03-10
Abstract
Abstract A METHOD OF PRODUCING CARPET OF LOW STATIC CHARGE, WHEREIN A BINDER CONTAINING THEREIN A QUANTITY OF CARBON FIBER IS APPLIED TO THE BASE CLOTH FOR THE CARPET AS WELL AS TO THE FLOCKED FIBERS.
Inventors
- 👤 T Hotta
- 👤 K Okuda
- 👤 M Sugita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:52
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S428/00; Y10S428/922; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |