US2777277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing crimped superpolyamidic threads and novel threads obtained
Assignee: Vaucanson Silk Mills Inc
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Filing: 1951-08-04
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Granted: 1957-01-15
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Expires: 1971-08-04
Abstract
No abstract record available.
Inventors
- 👤 Charlois Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:46
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/14; D04B1/18; D04B1/20; D06; D06C; D06C23/00; D06C23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF PRODUCING A HIGH TWIST SUPERPOLYAMIDIC CREPE THREAD, COMPRISING THE STEPS OF: SIZING A STANDARD LOW TWIST SUPERPOLYAMIDIC THREAD: DRYING SAID SIZED THREAD IN A CONDITIONED ATMOSPHERE; TWISTING SAID DRIED SIZED THREAD FOR IMPARTING A HIGH TWIST THERETO; KILN DYRING SAID HIGH TWIST THREAD; STEAMING SAID KILN DRIED THREAD AT A TEMPERATURE AT LEAST AS HIGH AS THE TEMPERATURE OF SAID KILN DRYING; ALLOWING SAID STEAMED THREAD TO COOL; AND FURTHER SIZING SAID COOLED THREAD FOR FIXING SAID HIGH TWIST.
Claim 2
Independent Claim
82 words
THE METHOD OF PRODUCING A HIGH TWIST SUPERPOLYAMIDIC CREPE THREAD, COMPRISING THE STEPS OF: SIZING A STANDARD LOW TWIST SUPERPOLYAMIDIC THREAD: DRYING SAID SIZED THREAD IN A CONDITIONED ATMOSPHERE; TWISTING SAID DRIED SIZED THREAD FOR IMPARTING A HIGH TWIST THERETO; KILN DYRING SAID HIGH TWIST THREAD; STEAMING SAID KILN DRIED THREAD AT A TEMPERATURE AT LEAST AS HIGH AS THE TEMPERATURE OF SAID KILN DRYING; ALLOWING SAID STEAMED THREAD TO COOL; AND FURTHER SIZING SAID COOLED THREAD FOR FIXING SAID HIGH TWIST.
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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) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |