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US2123701A
Expired / Lapsed
US
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Knitting machine and method of knitting
Assignee: Hemphill Co
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Filing: 1932-12-23
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Granted: 1938-07-12
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Expires: 1952-12-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lawson
- 👤 Arthur N Cloutier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:34
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/42; D04B9/46; D04B1/00; D04B1/22; D04B1/24; D04B1/26
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) | 1941-07-11 | 1942-01-10 | 1942-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-07-11 | 1946-01-10 | 1946-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-07-11 | 1950-01-10 | 1950-07-12 | $7700.00 | Window Closed / Lapsed |