Patent US3106725A successfully refreshed from Google Patents.
US3106725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package dyeing spindle and process
Assignee: EIDP Inc
•
Filing: 1960-01-14
•
Granted: 1963-10-15
•
Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Stiner Cyril William
- 👤 Thackrah John Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:45
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/04; D06B23/042
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
IN THE PROCESS OF DYEING TEXTILE FIBERS IN PACKAGE DYEING MACHINES WHEREIN THE FIBER IS FIRST WOUND ON A CYLINDRICAL HOLLOW SPINDLE AND THEN FOLLOWED BY PUMPING DYE LIQUOR THROUGH SAID SPINDLE AND SAID FIBER, THE IMPROVEMENT WHICH CONSISTS OF FORMING SAID CYLINDRICAL HOLLOW SPINDLE WITH CELLULOSE SPONGE SO THAT THE PLANES OF THE GRAIN PATTERN SURFACES OF SAID CELLULOSE SPONGE COINCIDE ESSENTIALLY WITH THE RADIAL PLANES OF THE FORMED SPONGE CYLINDRICAL SPINDLE.
References Cited (Backward Citations)
GB294657A
Cited
US2329239A
Cited
US2395256A
Cited
US2512506A
Cited
US2593555A
Cited
US2513418A
Cited
US2708763A
Cited
US2689192A
Cited
US2860359A
Cited
US2906593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |