Patent US4388601A successfully refreshed from Google Patents.
Patent US2115154A successfully refreshed from Google Patents.
Patent US3058291A successfully refreshed from Google Patents.
US3058291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanently crimped synthetic textile products and method for producing the same
Assignee: Heberlein Patent Corp
•
Filing: 1957-02-11
•
Granted: 1962-10-16
•
Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Heberlein Georg
- 👤 Lang Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:23
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0253
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
A PERMANENTLY CRIMPED SYNTHETIC ORGANIC MULTIFILAMENT YARN SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES AND POLYESTERS, THE FILAMENTS OF WHICH ADHERE TO
References Cited (Backward Citations)
US1909192A
Cited
US2044135A
Cited
US2079133A
Cited
US2089199A
Cited
US2322094A
Cited
US2369395A
Cited
US2623266A
Cited
US2564245A
Cited
US2863280A
Cited
US2790298A
Cited
US2803109A
Cited
US2803105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |