Patent US1878233A successfully refreshed from Google Patents.
US1878233A
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US
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Coiling machine and method of winding coils
Assignee: Griscom Russell Co
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Filing: 1929-10-29
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Granted: 1932-09-20
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Expires: 1949-10-29
Abstract
No abstract record available.
Inventors
- 👤 Edward A Dewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:30
CPC Classifications
B; B21; B21F; B21F3/00; B21F3/02; B21F3/06; B21D; B21D11/00; B21D11/06; B21D53/00; B21D53/10; B21D53/16; Y; Y10; Y10S; Y10S72/00; Y10S72/701
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) | 1935-09-20 | 1936-03-21 | 1936-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-20 | 1940-03-21 | 1940-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-20 | 1944-03-21 | 1944-09-20 | $7700.00 | Window Closed / Lapsed |