Patent US2430828A successfully refreshed from Google Patents.
US2430828A
Expired / Lapsed
US
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Aqueous emulsion paint
Assignee: United States Gypsum Co
•
Filing: 1944-02-23
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Granted: 1947-11-11
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Expires: 1964-02-23
Abstract
No abstract record available.
Inventors
- 👤 Marvin T Schmidt
- 👤 John K Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:40
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2285646A
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US2035520A
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US2178475A
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US2154362A
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US2190705A
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US2196367A
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US2279387A
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US2334096A
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US2385800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |