US3488747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact rotational molding
Assignee: Dow Chemical Co
•
Filing: 1967-02-13
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Granted: 1970-01-06
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Cleereman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:15
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29C70/14; B29C43/00; B29C43/02; B29C43/16; B29C43/20; B29C43/203; B29C67/00; B29C67/0003; B29K; B29K2055/00; B29K2086/00; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/16; B29K2995/00; B29K2995/0037; B29K2995/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2399592A
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US2838802A
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US2987775A
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US3030668A
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US3075249A
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US3063883A
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US3192569A
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US3210230A
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US3223761A
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US3307726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |