US3536459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stainless steel composite
Assignee: United States Steel Corp
•
Filing: 1967-11-29
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Granted: 1970-10-27
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Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 John F Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:24
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/012; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/931; Y10S428/933; Y10S428/9335; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12354; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2490978A
Cited
US2762771A
Cited
US3073720A
Cited
US3190768A
Cited
US3201212A
Cited
US3201211A
Cited
US3201210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |