US2789368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing a thread
Assignee: Wyeth Holdings LLC
•
Filing: 1952-11-15
•
Granted: 1957-04-23
•
Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
- 👤 Wizon Irvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:47
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/001; D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0445; D01D10/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1820621A
Cited
US1960743A
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US2002996A
Cited
US2129273A
Cited
US2162727A
Cited
US2204603A
Cited
US2558733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |