US2448277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming and preheating slugs of moldable material
Assignee: Individual
•
Filing: 1945-02-01
•
Granted: 1948-08-31
•
Expires: 1965-02-01
Abstract
No abstract record available.
Inventors
- 👤 William S Renier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:47
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29B; B29B11/00; B29B11/06; B29B11/12; B29B13/00; B29B13/02; B29C31/00; B29C31/04; B29C31/06; B29C31/065; B29C31/066; B29C43/32; B29C43/34; B29C43/50; B30; B30B; B30B15/00; B30B15/30; B30B15/302; B29K; B29K2105/00; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S264/65
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |