US2993351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber recovery unit for knitting machine
Assignee: EIDP Inc
•
Filing: 1959-11-12
•
Granted: 1961-07-25
•
Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Silas M Wheelock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:41
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1141034A
Cited
GB195802A
Cited
US1752207A
Cited
US2045509A
Cited
US2152901A
Cited
US2581069A
Cited
US2648876A
Cited
US2710525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |