US3051678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scratch masking coating composition for masonry comprising a polyester resin, sand and mineral oil
Assignee: WR Grace and Co
•
Filing: 1958-11-24
•
Granted: 1962-08-28
•
Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Bentov Itzhak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:37
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2814836A
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US2938007A
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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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |