US2738286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire resistant bituminous composition
Assignee: Philip Carey Manufacturing Co
•
Filing: 1951-03-02
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Granted: 1956-03-13
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Expires: 1971-03-02
Abstract
No abstract record available.
Inventors
- 👤 Harold W Greider
- 👤 Fasold George Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:45
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/10; C; C08; C08L; C08L95/00; D06M; D06M11/00; D06M11/68; D06M11/70; D06M11/71; D06M15/00; D06M15/01; D06M15/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A BITUMINOUS COMPOSITION CONSISTING OF ABOUT SIXTY PERCENT OF ASPHALT OF A SOFTENING POINT OF ABOUT 230* F. AND ABOUT 35% LIMESTONE DUST PASSING A 14 MESH TESTING SIEVE, A MAJOR PROPORTION OF THE LIMESTONE DUST PARTICLES BEING RETAINED ON A 200 MESH TESTING SIEVE AND WHICH COMPOSITION HAS BEEN RENDERED HIGHLY FIRE RESISTANT BY THE INCORPORATION THEREWITH OF ABOUT 5 PERCENT BY WIEGHT OF THE COMPOSITION OF MICA OF A SIZE RANGE -14+20.
Claim 2
Dependent Claim
74 words
A BITUMINOUS COMPOSITION CONSISTING OF ABOUT SIXTY PERCENT OF ASPHALT OF A SOFTENING POINT OF ABOUT 230* F. AND ABOUT 35% LIMESTONE DUST PASSING A 14 MESH TESTING SIEVE, A MAJOR PROPORTION OF THE LIMESTONE DUST PARTICLES BEING RETAINED ON A 200 MESH TESTING SIEVE AND WHICH COMPOSITION HAS BEEN RENDERED HIGHLY FIRE RESISTANT BY THE INCORPORATION THEREWITH OF ABOUT 5 PERCENT BY WIEGHT OF THE COMPOSITION OF MICA OF A SIZE RANGE -14+20.
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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) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |