Patent US3506171A successfully refreshed from Google Patents.
US3506171A
Expired / Lapsed
US
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Method and apparatus for trim finishing blow molded containers
Assignee: Johnson Service Co
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Filing: 1968-04-26
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Granted: 1970-04-14
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Expires: 1988-04-26
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Rupert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:14
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/72; B29C49/70; B29C49/74; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/329; Y10T225/371; Y10T408/00; Y10T408/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3228086A
Cited
US3351981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |