US3225412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic mass-forming apparatus
Assignee: Individual
•
Filing: 1963-09-06
•
Granted: 1965-12-28
•
Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 Eric H Widell
- 👤 Grady L West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:58
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/50; B28B11/00; B28B11/14; B28B11/145; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6587; Y10T83/6588; Y10T83/869; Y10T83/8748; Y10T83/8749; Y10T83/929; Y10T83/9292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR434615A
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US1951344A
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US2232122A
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US2537684A
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US2694846A
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US2881503A
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US3059306A
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US3101851A
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US2979801A
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US3090503A
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US3088186A
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |