Patent US3134141A successfully refreshed from Google Patents.
US3134141A
Expired / Lapsed
US
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Injection molding apparatus
Assignee: International Vulcanizing Corp
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Filing: 1961-10-27
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Granted: 1964-05-26
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Expires: 1981-10-27
Abstract
No abstract record available.
Inventors
- 👤 Hardy Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:23
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/2701; Y; Y10; Y10S; Y10S425/00; Y10S425/051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2994920A
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US2470089A
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US2524858A
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US2687554A
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US2857581A
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US2903747A
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US2871517A
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US3014242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |