US2703445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making refractory ware
Assignee: Illinois Clay Products Co
•
Filing: 1951-01-09
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Granted: 1955-03-08
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Expires: 1971-01-09
Abstract
No abstract record available.
Inventors
- 👤 John H Veale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:31
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5025; C04B41/80; C04B41/81; C04B41/85; C04B41/87
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1356211A
Cited
US1473286A
Cited
US1583902A
Cited
US1728766A
Cited
US1735167A
Cited
US1954936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |