US2206662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricating article of beryllium copper
Assignee: International Business Machines Corp
•
Filing: 1938-02-01
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Granted: 1940-07-02
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Expires: 1958-02-01
Abstract
No abstract record available.
Inventors
- 👤 Leo C Conradi
- 👤 Harold F Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:02
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/08; B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; H; H01; H01R; H01R13/00; H01R13/02; H01R13/03; H01R13/40; H01R13/42; H01R13/428; H01R13/432; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49224
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) | 1943-07-02 | 1944-01-01 | 1944-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-02 | 1948-01-01 | 1948-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-02 | 1952-01-01 | 1952-07-02 | $7700.00 | Window Closed / Lapsed |