Patent US2955345A successfully refreshed from Google Patents.
US2955345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile element treatment
Assignee: Bridgestone Firestone Inc
•
Filing: 1955-08-15
•
Granted: 1960-10-11
•
Expires: 1975-08-15
Abstract
No abstract record available.
Inventors
- 👤 Donald E Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:37
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/40; B60; B60C; B60C9/00; B60C9/0042; D; D01; D01F; D01F6/00; D01F6/58; D01F6/60; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF TREATING A CONTINUOUS NYLON ELEMENT COMPRISING THE STEPS OF PASSING SAID ELEMENT THROUGH A TREATMENT ZONE TO SUBJECT SAID ELEMENT TO STRETCH OF FROM 4 TO 16% OF ITS ORIGINAL LENGTH AT A TEMPERATURE OF FROM 350 TO 450*F. AND THEREUPON RELAXING SAID ELEMENT A CONTROLLED AMOUNT OF FROM 2% OF ITS ATTAINED LENGTH TO AN AMOUNT EQUAL TO THE TOTAL IMPOSED STRETCH BUT NOT EXCEEDING 6% OF ITS ATTAINED LENGTH AT A LOWER TEMPERATURE TO THEREBY REDUCE THE SHRINKAGE AND GROWTH CHARACTERISTICS OF SAID ELEMENT.
Claim 2
Independent Claim
89 words
A METHOD OF TREATING A CONTINUOUS NYLON ELEMENT COMPRISING THE STEPS OF PASSING SAID ELEMENT THROUGH A TREATMENT ZONE TO SUBJECT SAID ELEMENT TO STRETCH OF FROM 4 TO 16% OF ITS ORIGINAL LENGTH AT A TEMPERATURE OF FROM 350 TO 450*F. AND THEREUPON RELAXING SAID ELEMENT A CONTROLLED AMOUNT OF FROM 2% OF ITS ATTAINED LENGTH TO AN AMOUNT EQUAL TO THE TOTAL IMPOSED STRETCH BUT NOT EXCEEDING 6% OF ITS ATTAINED LENGTH AT A LOWER TEMPERATURE TO THEREBY REDUCE THE SHRINKAGE AND GROWTH CHARACTERISTICS OF SAID ELEMENT.
References Cited (Backward Citations)
US2584779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |