US2881474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning device
Assignee: Wyeth Holdings LLC
•
Filing: 1955-09-26
•
Granted: 1959-04-14
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Sellers William Noble
- 👤 Sonnino Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:26
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; Y; Y10; Y10S; Y10S425/00; Y10S425/049; Y10S425/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732585A
Cited
US702382A
Cited
GB319841A
Cited
US2446979A
Cited
US2558730A
Cited
US2589870A
Cited
US2696636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |