Patent US1934652A successfully refreshed from Google Patents.
US1934652A
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Method of making cop tubes
Assignee: LEWIS R SMITH
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Filing: 1930-08-01
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Granted: 1933-11-07
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Expires: 1950-08-01
Abstract
No abstract record available.
Inventors
- 👤 Anderson Gustave Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:48
CPC Classifications
B; B21; B21K; B21K21/00; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/08; B21C23/10; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/10; B65H75/105; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S29/00; Y10S29/047; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49945
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) | 1936-11-06 | 1937-05-08 | 1937-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-06 | 1941-05-08 | 1941-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-06 | 1945-05-08 | 1945-11-07 | $7700.00 | Window Closed / Lapsed |