US2667425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing asphalt composition
Assignee: PRESQUE ISLE LAB AND Manufacturing Inc
•
Filing: 1950-02-02
•
Granted: 1954-01-26
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Lester A Bierly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A SELF EXTINGUISHING ASPHALT COMPOSITION COMPRISING A MIXTURE OF ASPHALT, CHLORINATED PARAFFIN IN THE RANGE 5-40%, AND ANTIMONY OXIDE IN THE RANGE OF 5-40%, THE COMBINED WEIGHT OF THE CHLORINATED PARAFFIN AND ANTIMONY OXIDE BEING IN THE RANGE OF 25% TO 100% OF THE ASPHALT, THE CHLORINATED PARAFFIN BEING AT LEAST 50% CHLORINATED, AND THE BALANCE BEING SUBSTANTIALLY INORGANIC FILLER.
Claim 2
Dependent Claim
60 words
A SELF EXTINGUISHING ASPHALT COMPOSITION COMPRISING A MIXTURE OF ASPHALT, CHLORINATED PARAFFIN IN THE RANGE 5-40%, AND ANTIMONY OXIDE IN THE RANGE OF 5-40%, THE COMBINED WEIGHT OF THE CHLORINATED PARAFFIN AND ANTIMONY OXIDE BEING IN THE RANGE OF 25% TO 100% OF THE ASPHALT, THE CHLORINATED PARAFFIN BEING AT LEAST 50% CHLORINATED, AND THE BALANCE BEING SUBSTANTIALLY INORGANIC FILLER.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |