US2018192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing cementitious tile
Assignee: SUPERIOR CEMENT Corp
•
Filing: 1932-09-14
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Granted: 1935-10-22
•
Expires: 1952-09-14
Abstract
No abstract record available.
Inventors
- 👤 August H Sexton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:27
CPC Classifications
B; B28; B28B; B28B13/00; B28B13/04; B28B13/06; B28B1/00; B28B1/008; B28B1/08; B28B1/087; B28B1/0873; B28B1/14; B28B1/16; B28B7/00; B28B7/06; Y; Y10; Y10S; Y10S264/00; Y10S264/63
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-10-21 | 1939-04-22 | 1939-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-21 | 1943-04-22 | 1943-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-21 | 1947-04-22 | 1947-10-22 | $7700.00 | Window Closed / Lapsed |