Patent US2964801A successfully refreshed from Google Patents.
US2964801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing yarn sliver
Assignee: PROCTOR SILEX CORP
•
Filing: 1956-01-09
•
Granted: 1960-12-20
•
Expires: 1976-01-09
Abstract
No abstract record available.
Inventors
- 👤 Harmon B Riehl
- 👤 Edward M Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:46
CPC Classifications
D; D01; D01G; D01G99/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US404106A
Cited
US790060A
Cited
US866364A
Cited
US1567841A
Cited
US2115605A
Cited
US2238055A
Cited
GB503019A
Cited
US2237049A
Cited
US2683289A
Cited
US2689983A
Cited
US2721360A
Cited
US2665453A
Cited
US2713182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |