US2431629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing ceramic articles
Assignee: PACIFIC CLAY PRODUCTS
•
Filing: 1944-02-28
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Granted: 1947-11-25
•
Expires: 1964-02-28
Abstract
No abstract record available.
Inventors
- 👤 Fred V Wind
- 👤 Matthew J Raimondo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:12
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/26; B28B1/269; B28B1/30; B28B1/32; Y; Y10; Y10S; Y10S264/00; Y10S264/45; Y10S264/72; Y10S425/00; Y10S425/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997263A
Cited
US2048651A
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US2270075A
Cited
US2334648A
Cited
US2213495A
Cited
US2307698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |