US2552210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making ply yarn
Assignee: Individual
•
Filing: 1948-01-29
•
Granted: 1951-05-08
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Walter B Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR407263A
Cited
US12467A
Cited
DE518374C
Cited
US852356A
Cited
FR415401A
Cited
US1198997A
Cited
US1286311A
Cited
US1254738A
Cited
US2382704A
Cited
US2313058A
Cited
US2477652A
Cited
US2433722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |