US2135756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn feeding means for knitting machines
Assignee: Hemphill Co
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Filing: 1936-04-08
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Granted: 1938-11-08
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Expires: 1956-04-08
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lawson
- 👤 Isaac H C Green
- 👤 Jr William L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/38; D04B15/48; D04B15/50
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) | 1941-11-07 | 1942-05-09 | 1942-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-07 | 1946-05-09 | 1946-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-07 | 1950-05-09 | 1950-11-08 | $7700.00 | Window Closed / Lapsed |