US3033240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile carpet
Assignee: Celanese Corp
•
Filing: 1958-12-19
•
Granted: 1962-05-08
•
Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 George F Bottorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
CPC Classifications
D; D03; D03D; D03D27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A CARPET COMPRISING A BACKING AND A PILE YARN WOVEN INTO SAID BACKING AND CONSTITUTING THE PILE SURFACE OF SAID CARPET, SAID YARN COMPRISING ABOUT 20 TO 80% OF SYNTHETIC FILAMENTS OF Y CROSS-SECTION IN ADMIXTURE WITH ABOUT 80 TO 20% OF SYNTHETIC FILAMENTS OF REGULAR CROSSSECTION, SAID YARN HAVING BEEN VOLUMINIZED TO EFFECT AN INCREASE IN DENIER.
Claim 2
Dependent Claim
58 words
A CARPET COMPRISING A BACKING AND A PILE YARN WOVEN INTO SAID BACKING AND CONSTITUTING THE PILE SURFACE OF SAID CARPET, SAID YARN COMPRISING ABOUT 20 TO 80% OF SYNTHETIC FILAMENTS OF Y CROSS-SECTION IN ADMIXTURE WITH ABOUT 80 TO 20% OF SYNTHETIC FILAMENTS OF REGULAR CROSSSECTION, SAID YARN HAVING BEEN VOLUMINIZED TO EFFECT AN INCREASE IN DENIER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |