Patent US2097543A successfully refreshed from Google Patents.
US2097543A
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Apparatus for making bunch-yarn
Assignee: H & B American Machine Co
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Filing: 1937-03-27
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Granted: 1937-11-02
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Expires: 1957-03-27
Abstract
No abstract record available.
Inventors
- 👤 Walsh Samuel Rushton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:51
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-11-01 | 1941-05-03 | 1941-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-01 | 1945-05-03 | 1945-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-01 | 1949-05-03 | 1949-11-02 | $7700.00 | Window Closed / Lapsed |