US2104240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lacquer-undercoat protective coating
Assignee: United States Gypsum Co
•
Filing: 1931-07-20
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Granted: 1938-01-04
•
Expires: 1951-07-20
Abstract
No abstract record available.
Inventors
- 👤 William L Pringle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:16
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05D7/26; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31765; Y10T428/31768; Y10T428/31971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-01-03 | 1941-07-05 | 1942-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-01-03 | 1945-07-05 | 1946-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-01-03 | 1949-07-05 | 1950-01-04 | $7700.00 | Window Closed / Lapsed |