Patent US1866838A successfully refreshed from Google Patents.
US1866838A
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Apparatus for threading radio coil cores
Assignee: VICTOR C THORNE
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Filing: 1930-06-26
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Granted: 1932-07-12
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Expires: 1950-06-26
Abstract
No abstract record available.
Inventors
- 👤 Brustle Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:20
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/02; B23G1/04; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/20; Y10T82/205; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2543
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) | 1935-07-12 | 1936-01-11 | 1936-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-12 | 1940-01-11 | 1940-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-12 | 1944-01-11 | 1944-07-12 | $7700.00 | Window Closed / Lapsed |