Patent US5537504A successfully refreshed from Google Patents.
Patent US1898102A successfully refreshed from Google Patents.
US1898102A
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Method and machine for coiling small wire
Assignee: WADDEL P ANDRUS
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Filing: 1929-12-16
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Granted: 1933-02-21
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Expires: 1949-12-16
Abstract
No abstract record available.
Inventors
- 👤 Charles E Sturgis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:41
CPC Classifications
B; B21; B21F; B21F3/00; B21F3/02; B21F3/06; B21F3/04
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) | 1936-02-21 | 1936-08-22 | 1937-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-21 | 1940-08-22 | 1941-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-21 | 1944-08-22 | 1945-02-21 | $7700.00 | Window Closed / Lapsed |