US2481323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bituminous emulsions and the like
Assignee: Stancal Asphalt and Bitumuls Co
•
Filing: 1946-04-26
•
Granted: 1949-09-06
•
Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 Paul E Mccoy
- 👤 George S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005; Y; Y10; Y10S; Y10S106/00; Y10S106/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB229361A
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GB341443A
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GB465589A
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US2256886A
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US2330100A
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GB538105A
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GB547242A
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US2412526A
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US2412545A
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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) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |