US2390129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting apparatus and method
Assignee: MARCO CHEMICALS Inc
•
Filing: 1943-06-04
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Granted: 1945-12-04
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Expires: 1963-06-04
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Shobert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:44
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/22; B29C39/26; B29C39/265; B29C33/00; B29C33/0038; B29C39/40; B29D; B29D11/00; B29D7/00; B29D7/01; B29K; B29K2105/00; B29K2105/0002; Y; Y10; Y10S; Y10S264/00; Y10S264/50
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) | 1948-12-03 | 1949-06-04 | 1949-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-03 | 1953-06-04 | 1953-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-03 | 1957-06-04 | 1957-12-04 | $7700.00 | Window Closed / Lapsed |