Patent US2131319A successfully refreshed from Google Patents.
US2131319A
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Method and apparatus for making composite caps
Assignee: Crown Cork and Seal Co Inc
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Filing: 1933-01-03
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Granted: 1938-09-27
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Expires: 1953-01-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Greenholtz
- 👤 Edward M Enkur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:54
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/0457; B29; B29C; B29C45/00; B29C45/14; B29C45/1418; B29C45/14196; B29K; B29K2705/00; B29L; B29L2031/00; B29L2031/56; B29L2031/565; Y; Y10; Y10S; Y10S411/00; Y10S411/90; Y10S411/901; Y10S411/924; Y10S411/947; Y10S425/00; Y10S425/809
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) | 1941-09-26 | 1942-03-28 | 1942-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-26 | 1946-03-28 | 1946-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-26 | 1950-03-28 | 1950-09-27 | $7700.00 | Window Closed / Lapsed |