US2991186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete composition
Assignee: Individual
•
Filing: 1959-08-24
•
Granted: 1961-07-04
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Furlan Umberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:54
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A CONCRETE COMPOSITION HAVING THE FOLLOWING INGREDIENTS: 600 PARTS OF PORTLAND CEMENT, 210 PARTS OF TALC, 600 PARTS OF SAND, 600 PARTS OF GRAVEL AND 250 PARTS OF WATER.
Claim 2
Dependent Claim
29 words
A CONCRETE COMPOSITION HAVING THE FOLLOWING INGREDIENTS: 600 PARTS OF PORTLAND CEMENT, 210 PARTS OF TALC, 600 PARTS OF SAND, 600 PARTS OF GRAVEL AND 250 PARTS OF WATER.
References Cited (Backward Citations)
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Cited
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Cited
US703516A
Cited
US927312A
Cited
US1586731A
Cited
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Cited
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Cited
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Cited
US2588438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |