US2617601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balling of yarns and the like
Assignee: Wm Ayrton & Co Ltd
•
Filing: 1946-12-04
•
Granted: 1952-11-11
•
Expires: 1966-12-04
Abstract
No abstract record available.
Inventors
- 👤 Osborne Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:56
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/64; B65H54/66; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S220/00; Y10S220/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US262412A
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US390361A
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US399339A
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US486745A
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US836327A
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US730635A
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GB190809876A
Cited
GB190809877A
Cited
US1208746A
Cited
US1340837A
Cited
US2150309A
Cited
US2268554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |