Patent US1624619A successfully refreshed from Google Patents.
Patent US2145040A successfully refreshed from Google Patents.
US2145040A
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Method of and machine for making crab joints
Assignee: Phelps Dodge Copper Products Corp
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Filing: 1938-01-19
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Granted: 1939-01-24
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Expires: 1958-01-19
Abstract
No abstract record available.
Inventors
- 👤 Cawthra Ernest Hallewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:19
CPC Classifications
B; B21; B21D; B21D53/00; H; H01; H01R; H01R4/00; H01R4/10; H01R4/18; H01R4/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49218; Y10T29/49616; Y10T29/49826; Y10T29/49908; Y10T29/51; Y10T29/5116
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) | 1942-01-23 | 1942-07-25 | 1943-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-23 | 1946-07-25 | 1947-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-23 | 1950-07-25 | 1951-01-24 | $7700.00 | Window Closed / Lapsed |