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Patent US2109945A successfully refreshed from Google Patents.
US2109945A
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US
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Indicating means and method for knitting or other machines
Assignee: Hemphill Co
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Filing: 1933-03-28
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Granted: 1938-03-01
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Expires: 1953-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:33
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/38; D04B15/48
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) | 1941-02-28 | 1941-08-30 | 1942-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-28 | 1945-08-30 | 1946-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-28 | 1949-08-30 | 1950-03-01 | $7700.00 | Window Closed / Lapsed |