US3490124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal layers for fabricating deep drawn articles
Assignee: Texas Instruments Inc
•
Filing: 1967-02-07
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Granted: 1970-01-20
•
Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; B21; B21D; B21D22/00; B21D22/20; B21D22/203; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/12465; Y10T428/12493; Y10T428/12639; Y10T428/12736; Y10T428/1275; Y10T428/12764
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2383511A
Cited
US2735170A
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US1845155A
Cited
US1997166A
Cited
US2713196A
Cited
US3042428A
Cited
US2947069A
Cited
US3168381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |