Patent US3625735A successfully refreshed from Google Patents.
US3625735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn sizing process
Assignee: EIDP Inc
•
Filing: 1968-10-31
•
Granted: 1971-12-07
•
Expires: 1988-10-31
Abstract
Abstract A PROCESS FOR APPLYING A THIN SOLID ADHERENT POLYMERIC COATING TO AN ELONGATED FLEXIBLE STRUCTURE WHEREIN THE STRUCTURE WHILE MOVING AT HIGH SPEED TO A PACKAGING MEANS IS FIRST HEATED TO A TEMPERATURE BELOW ITS SOFTENING POINT AND THEN WHILE STILL HOT, COATED WITH AN UNHEATED LIQUID MIXTURE COMPRISING AN INERT, HIGH-BOILING SOLVENT AND AN ADHERENT POLYMERIC COATING MATERIAL. THE RELATIONSHIP OF SPEED, TEMPERATURE AND THICKNESS OF THE LIQUID MIXTURE APPLIED BEING SUCH TO ALLOW VAPORIZATION OF THE SOLVENT AND DRYING OF THE POLYMERIC MATERIAL ON THE FLEXIBLE STRUCTURE BEFORE PACKAGING.
Inventors
- 👤 George A Fernstrom
- 👤 Alfred J Strohmaier
- 👤 Robert W Whitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:00
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/10; D06B; D06B21/00; D06B1/00; D06B1/10; D06B1/14; D06B3/00; D06B3/04; D06C; D06C7/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |