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US2464759A
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Water-repellent coating composition and method of coating
Assignee: United States Gypsum Co
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Filing: 1945-03-30
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Granted: 1949-03-15
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Expires: 1965-03-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:01
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/47; C04B41/478; C04B41/0018; C09; C09D; C09D195/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US415864A
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US520819A
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US2015739A
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US877888A
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US1826699A
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US1787629A
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US2299144A
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US2291905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |