US2889611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of nylon filaments
Assignee: Individual
•
Filing: 1954-09-24
•
Granted: 1959-06-09
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Expires: 1974-09-24
Abstract
No abstract record available.
Inventors
- 👤 Berkley W Bedell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/07; D06M11/11; D06M11/51; D06M11/55; D06M11/68; D06M11/70; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE METHOD OF TREATING MONOFILAMENT NYLON LINE TO IMPROVE ITS PROPERTIES, CONSISTING IN THE STEPS OF ETCHING AND PITTING MICROSCOPICALLY THE SURFACE OF THE LINE IN A STRONG SOLUTION OF FORMIC ACID LYING IN A RANGE OF 70 PERCENT TO FULL STRENGTH FOR A PERIOD OF TIME RANGING FROM 1.0 TO .01 SECONDS, PERMITTING A FILM OF THE FORMIC ACID WITH NYLON DISSOLVED THEREIN TO REMAIN IN CONTACT WITH SAID LINE FOR A SHORT PERIOD OF TIME AFTER SAID ETCHING TIME, AND REDEPOSITING AT LEAST SOME OF THE DISSOLVED NYLON ONTO THE ETCHED SURFACE IN A DULL COATING WHICH, TOGETHER WITH THE ETCHED AND PITTED SURFACE, WILL INCREASE THE FLEXIBILITY OF THE LINE WITHOUT DECREASING THE TENSILE STRENGTH THEREOF AND WILL EFFICIENTLY DISSIPATE REFLECTED LIGHT THEREFROM AND BETTER RETAIN VISCOUS LIQUIDS WHEN PLACED IN CONTACT THEREWITH.
Claim 2
Independent Claim
136 words
THE METHOD OF TREATING MONOFILAMENT NYLON LINE TO IMPROVE ITS PROPERTIES, CONSISTING IN THE STEPS OF ETCHING AND PITTING MICROSCOPICALLY THE SURFACE OF THE LINE IN A STRONG SOLUTION OF FORMIC ACID LYING IN A RANGE OF 70 PERCENT TO FULL STRENGTH FOR A PERIOD OF TIME RANGING FROM 1.0 TO .01 SECONDS, PERMITTING A FILM OF THE FORMIC ACID WITH NYLON DISSOLVED THEREIN TO REMAIN IN CONTACT WITH SAID LINE FOR A SHORT PERIOD OF TIME AFTER SAID ETCHING TIME, AND REDEPOSITING AT LEAST SOME OF THE DISSOLVED NYLON ONTO THE ETCHED SURFACE IN A DULL COATING WHICH, TOGETHER WITH THE ETCHED AND PITTED SURFACE, WILL INCREASE THE FLEXIBILITY OF THE LINE WITHOUT DECREASING THE TENSILE STRENGTH THEREOF AND WILL EFFICIENTLY DISSIPATE REFLECTED LIGHT THEREFROM AND BETTER RETAIN VISCOUS LIQUIDS WHEN PLACED IN CONTACT THEREWITH.
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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |