US2550448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn tensioning device for winding machines
Assignee: Schneider Electric Buildings Americas Inc
•
Filing: 1947-09-05
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Granted: 1951-04-24
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Expires: 1967-09-05
Abstract
No abstract record available.
Inventors
- 👤 George M Brainerd
- 👤 Vachon Amiee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:32
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/02; B65H59/06; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB270423A
Cited
US2373513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |