Patent US3264444A successfully refreshed from Google Patents.
Patent US2432870A successfully refreshed from Google Patents.
US2432870A
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Plastic ring and method of making the same
Assignee: Individual
•
Filing: 1944-02-25
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Granted: 1947-12-16
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Expires: 1964-02-25
Abstract
No abstract record available.
Inventors
- 👤 George J Evalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:48
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0082; B29C; B29C53/00; B29C53/02; B29C53/12; B29L; B29L2031/00; B29L2031/709; B29L2031/7096; Y; Y10; Y10S; Y10S264/00; Y10S264/40; Y10S59/00; Y10S59/90; Y10T; Y10T24/00; Y10T24/10; Y10T24/13; Y10T24/1379; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/873
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) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |