Patent US3130959A successfully refreshed from Google Patents.
US3130959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of mixing plastics and apparatus therefor
Assignee: Dow Chemical Co
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Filing: 1962-06-20
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Granted: 1964-04-28
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Walter J Schrenk
- 👤 Kenneth J Cleereman
- 👤 Jr Turner Alfrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:49
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/40; B01F23/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF MIXING A PLURALITY OF DEVERSE MISCIBLE VISCOUS LIQUIDS COMPRISING THE STEPS OF, ARRANGING SAID LIQUIDS IN A RIBBON-LIKE PATTERN HAVING AN ALTERNATE REPETITIVE SEQUENCE, MOVING THE LIQUIDS ALONG A LONGITUDINAL PATH WHILE APPLYING A FIRST LIQUID MOVING FORCE ALONG A FIRST COMMON BOUNDARY OF THE LIQUIDS, AND A SECOND LIQUID MOVING FORCE ALONG A SECOND COMMON BOUNDARY OF THE
Claim 2
Independent Claim
62 words
A METHOD OF MIXING A PLURALITY OF DEVERSE MISCIBLE VISCOUS LIQUIDS COMPRISING THE STEPS OF, ARRANGING SAID LIQUIDS IN A RIBBON-LIKE PATTERN HAVING AN ALTERNATE REPETITIVE SEQUENCE, MOVING THE LIQUIDS ALONG A LONGITUDINAL PATH WHILE APPLYING A FIRST LIQUID MOVING FORCE ALONG A FIRST COMMON BOUNDARY OF THE LIQUIDS, AND A SECOND LIQUID MOVING FORCE ALONG A SECOND COMMON BOUNDARY OF THE
References Cited (Backward Citations)
US1911644A
Cited
CA566054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |