US2951260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding mechanism and heating arrangement
Assignee: Crown Machine and Tool Co Inc
•
Filing: 1957-10-01
•
Granted: 1960-09-06
•
Expires: 1977-10-01
Abstract
No abstract record available.
Inventors
- 👤 James M Harrison
- 👤 Robert E Smucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/22; B65D1/26; B65D1/265; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C33/00; B29C33/02; B29C33/04; B29C44/3415; B29C44/3426; B29K; B29K2105/00; B29K2105/04; B29K2105/043; B29L; B29L2031/00; B29L2031/712; B29L2031/7132; Y; Y10; Y10S; Y10S220/00; Y10S220/14; Y10S264/00; Y10S264/10; Y10S264/14; Y10S264/46; Y10S264/78
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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |