Patent US2876724A successfully refreshed from Google Patents.
US2876724A
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Method for producing composite cup-shaped articles
Assignee: WEDGE PROTECTORS Inc
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Filing: 1953-08-26
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Granted: 1959-03-10
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Expires: 1973-08-26
Abstract
No abstract record available.
Inventors
- 👤 Foster F Hillix
- 👤 Stanley L Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:52
CPC Classifications
B; B21; B21D; B21D43/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/49943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1972789A
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US1892178A
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US2105426A
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US2331491A
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US2348875A
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US2409147A
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US2443185A
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US2610390A
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US2659406A
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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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |