US3295171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frangible ceramic test mold
Assignee: Jones and Laughlin Steel Corp
•
Filing: 1964-06-16
•
Granted: 1967-01-03
•
Expires: 1984-06-16
Abstract
No abstract record available.
Inventors
- 👤 Robert R Strange
- 👤 Sherwood G Haw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:27
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/12; G01N1/125; Y; Y10; Y10S; Y10S249/00; Y10S249/04; Y10S73/00; Y10S73/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736077A
Cited
US1500741A
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US1914037A
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US2288661A
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US3041688A
Cited
US3132388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |