Patent US2070944A successfully refreshed from Google Patents.
US2070944A
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Method and apparatus for finishing surfaces
Assignee: American Steel and Wire Company of New Jersey
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Filing: 1933-08-09
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Granted: 1937-02-16
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Expires: 1953-08-09
Abstract
No abstract record available.
Inventors
- 👤 Foster F Hillix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:38
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/10; B21; B21B; B21B11/00; B21B28/00; B21B28/02; B24B1/00; B24B1/04; B24B13/00; B24B13/02; B24B13/023; B24B35/00; B24B7/00; B24B7/20; B24B7/22; B24B7/24; B24B7/242; B24B7/245; Y; Y10; Y10S; Y10S451/00; Y10S451/914
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) | 1940-02-16 | 1940-08-17 | 1941-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-16 | 1944-08-17 | 1945-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-16 | 1948-08-17 | 1949-02-16 | $7700.00 | Window Closed / Lapsed |