US2868675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of nets, knitted fabrics and the like from single-filament polyamide threads
Assignee: Individual
•
Filing: 1956-07-20
•
Granted: 1959-01-13
•
Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 Ljungbo Sven Olof Birger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:25
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/188; D06M13/12; D06M13/127; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/327; D06M15/333; D06M15/3335; D06M15/347; D06M23/00; D06M23/06; D06M2101/00; D06M2101/16; D06M2101/30; D06M2101/34; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR TREATING SINGLE-FILAMENT POLYAMIDE THREADS AND NETS AND KNITTED FABRICS MADE THEREFROM TO OBTAIN SLIP-FREE KNOTS AND CROSSING BETWEEN THE THREADS, WHICH COMPRISES APPLYING TO SAID THREADS, NETS AND KNITTED FABRICS A SOLUTION CONTAINING AN ACID CAPABLE OF DISSOLVING SAID POLYAMIDE, A POLYVINYL ACETAL AND AN ALDEHYDE SELECTED FROM THE GROUP CONSISTING OF FOMALDEHYDE, ACETALDEHYDE AND BUTYRALDEHYDE.
Claim 2
Dependent Claim
59 words
A PROCESS FOR TREATING SINGLE-FILAMENT POLYAMIDE THREADS AND NETS AND KNITTED FABRICS MADE THEREFROM TO OBTAIN SLIP-FREE KNOTS AND CROSSING BETWEEN THE THREADS, WHICH COMPRISES APPLYING TO SAID THREADS, NETS AND KNITTED FABRICS A SOLUTION CONTAINING AN ACID CAPABLE OF DISSOLVING SAID POLYAMIDE, A POLYVINYL ACETAL AND AN ALDEHYDE SELECTED FROM THE GROUP CONSISTING OF FOMALDEHYDE, ACETALDEHYDE AND BUTYRALDEHYDE.
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) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |