Patent US3035931A successfully refreshed from Google Patents.
US3035931A
Expired / Lapsed
US
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Thermoplastic compositions and a method of making the same
Assignee: Witco Corp
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Filing: 1958-07-23
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Granted: 1962-05-22
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Expires: 1978-07-23
Abstract
No abstract record available.
Inventors
- 👤 Bobbe Clarence
- 👤 Robert J Kufrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:37
CPC Classifications
C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A TRANSFORMER POTTING COMPOSITION CONSISTING ESSENTIALLY OF A HOMOGENEOUS, FREE-FLOWING, SUBSTANTIALLY DRY MIXTURE OF 30 TO 70% OF ORGANIC THERMOPLASTIC BINDER IN PARTICULATE FORM NO LARGER THAN 1/2 INCH, AT LEAST 50% OF WHICH PASSES THROUGH A 10 MESH SCREEN, SAID THERMOPLASTIC BINDER BEING AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL OCCURRING ASPHALTS AND PETROLEUM REFINED ASPHALTIC RESIDUALS, FROM 69 TO 30% OF INORGANIC FILLER IN PARTICULATE FORM, AND FROM 1 TO 5% OF LIQUID ORGANIC PLASTICIZER, SAID PERCENTAGES BEING BY WEIGHT OF SAID COMPOSITION.
Claim 2
Dependent Claim
89 words
A TRANSFORMER POTTING COMPOSITION CONSISTING ESSENTIALLY OF A HOMOGENEOUS, FREE-FLOWING, SUBSTANTIALLY DRY MIXTURE OF 30 TO 70% OF ORGANIC THERMOPLASTIC BINDER IN PARTICULATE FORM NO LARGER THAN 1/2 INCH, AT LEAST 50% OF WHICH PASSES THROUGH A 10 MESH SCREEN, SAID THERMOPLASTIC BINDER BEING AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL OCCURRING ASPHALTS AND PETROLEUM REFINED ASPHALTIC RESIDUALS, FROM 69 TO 30% OF INORGANIC FILLER IN PARTICULATE FORM, AND FROM 1 TO 5% OF LIQUID ORGANIC PLASTICIZER, SAID PERCENTAGES BEING BY WEIGHT OF SAID COMPOSITION.
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |