Patent US3533154A successfully refreshed from Google Patents.
US3533154A
Expired / Lapsed
US
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Process for separating rubber and plastic from metal bushings
Assignee: Howard R Ward Inc
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Filing: 1969-03-17
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Granted: 1970-10-13
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Expires: 1989-03-17
Abstract
No abstract record available.
Inventors
- 👤 Howard R Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:27
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B25; B25B; B25B27/00; B25B27/14; B25B27/28; B29K; B29K2021/00; B29K2705/00; B29L; B29L2031/00; B29L2031/04; B29L2031/045; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/1195; Y10T29/00; Y10T29/28; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |