US2028189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Undercoat for lacquers and lacquered material
Assignee: Hercules Powder Co
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Filing: 1932-10-12
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Granted: 1936-01-21
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Expires: 1952-10-12
Abstract
No abstract record available.
Inventors
- 👤 Walter D Bowlby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31848; Y10T428/31851; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T428/31986
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) | 1939-01-20 | 1939-07-22 | 1940-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-20 | 1943-07-22 | 1944-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-20 | 1947-07-22 | 1948-01-21 | $7700.00 | Window Closed / Lapsed |