US3520483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn windup means
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1967-11-20
•
Granted: 1970-07-14
•
Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Ian Henry Swallow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:06
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/34; B65H65/00; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2004153A
Cited
FR843898A
Cited
GB920055A
Cited
US3172619A
Cited
US3237876A
Cited
GB978187A
Cited
US3147579A
Cited
US3408011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |