US2597704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making hollow bodies from fusible plastic materials
Assignee: COSOM IND Inc
•
Filing: 1949-08-22
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Granted: 1952-05-20
•
Expires: 1969-08-22
Abstract
No abstract record available.
Inventors
- 👤 Clinton V Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/20; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/14; B29C66/50; B29C66/51; B29C66/54; B29C66/70; B29C66/71; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29L; B29L2031/00; B29L2031/54; B29L2031/712; B29L2031/7158; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056
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) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |