Patent US3521823A successfully refreshed from Google Patents.
Patent US3477895A successfully refreshed from Google Patents.
US3477895A
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Apparatus for making rubber articles
Assignee: Gates Rubber Co
•
Filing: 1964-12-17
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Granted: 1969-11-11
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Expires: 1984-12-17
Abstract
No abstract record available.
Inventors
- 👤 Herman C Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:45
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/10; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/543; G01N33/554; G01N33/555; Y; Y10; Y10S; Y10S425/00; Y10S425/818; Y10S83/00; Y10S83/929; Y10S83/935; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1052; Y10T156/12; Y10T156/17; Y10T156/1702; Y10T156/1712
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |