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 18:58
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
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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) | 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 |