US3393445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of stainless clad steel
Assignee: Composite Metal Products Inc
•
Filing: 1965-05-13
•
Granted: 1968-07-23
•
Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 John B Ulam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:16
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB280518A
Cited
US1886615A
Cited
US2018725A
Cited
US2468206A
Cited
US2718690A
Cited
US2745172A
Cited
US2820286A
Cited
US2758368A
Cited
US2704883A
Cited
US3001059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |