US2248490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying and truing up ceramic pipe
Assignee: United States Stoneware Co
•
Filing: 1938-03-17
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Granted: 1941-07-08
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Expires: 1958-03-17
Abstract
No abstract record available.
Inventors
- 👤 James M W Chamberlain
- 👤 Harold A Burnip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:19
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/06; F26B25/063; B; B28; B28B; B28B11/00; B28B11/24; B28B11/243; B28B21/00; B28B21/92; F26B11/00; F26B11/18
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) | 1944-07-07 | 1945-01-06 | 1945-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-07 | 1949-01-06 | 1949-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-07 | 1953-01-06 | 1953-07-08 | $7700.00 | Window Closed / Lapsed |