US1679345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for casting ceramic pieces
Assignee: Ohio Brass Co
•
Filing: 1926-07-02
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Granted: 1928-08-07
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Expires: 1946-07-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur O Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:26
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/26; B28B1/265; B28B1/261; B28B1/262; B28B3/00; B28B3/003; B28B7/00; B28B7/28; B28B7/30; B28B7/32; B28B7/34; B28B7/342; Y; Y10; Y10S; Y10S425/00; Y10S425/012
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) | 1931-08-07 | 1932-02-06 | 1932-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-08-07 | 1936-02-06 | 1936-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-08-07 | 1940-02-06 | 1940-08-07 | $7700.00 | Window Closed / Lapsed |