Patent US2670323A successfully refreshed from Google Patents.
US2670323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low melting paraffin wax
Assignee: California Research LLC
•
Filing: 1951-01-06
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Granted: 1954-02-23
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Expires: 1971-01-06
Abstract
No abstract record available.
Inventors
- 👤 Melvin V Hunter
- 👤 John R Segesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:57
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L91/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A STUBSTANTIALLY OIL-FREE PARAFFIN WAX COMPOSITION HAVING AN AVERAGE MELTING POINT WITHIN THE RANGE OF 125-135* F. A.M.P. WHICH CONSISTS ESSENTIALLY OF AT LEAST 20% BUT LESS THAN 35% OF NON-STRAIGHT-CHAIN DISTILLATE PARAFFIN WAXES HAVING MOLECULAR WEIGHTS PREDOMINANTLY IN THE RANGE OF 350-525 AND THE REMAINDER BEING STRAIGHTCHAIN DISTILLATE PARAFFIN WAX HAVING AN AVERAGE MELTING POINT WITHIN THE RANGE OF 127-140* F. A.M.P. AND AN AVERAGE MOLECULAR WEIGHT SUBSTANTIALLY BELOW THAT OF SAID NON-STRAIGHT-CHAIN WAX.
Claim 2
Dependent Claim
75 words
A STUBSTANTIALLY OIL-FREE PARAFFIN WAX COMPOSITION HAVING AN AVERAGE MELTING POINT WITHIN THE RANGE OF 125-135* F. A.M.P. WHICH CONSISTS ESSENTIALLY OF AT LEAST 20% BUT LESS THAN 35% OF NON-STRAIGHT-CHAIN DISTILLATE PARAFFIN WAXES HAVING MOLECULAR WEIGHTS PREDOMINANTLY IN THE RANGE OF 350-525 AND THE REMAINDER BEING STRAIGHTCHAIN DISTILLATE PARAFFIN WAX HAVING AN AVERAGE MELTING POINT WITHIN THE RANGE OF 127-140* F. A.M.P. AND AN AVERAGE MOLECULAR WEIGHT SUBSTANTIALLY BELOW THAT OF SAID NON-STRAIGHT-CHAIN WAX.
References Cited (Backward Citations)
US1937518A
Cited
US2127668A
Cited
US2102516A
Cited
US2361582A
Cited
US2467959A
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US2603589A
Cited
US2611734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |