US2128296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated paper
Assignee: Individual
•
Filing: 1937-02-26
•
Granted: 1938-08-30
•
Expires: 1957-02-26
Abstract
No abstract record available.
Inventors
- 👤 Goodwin Virginia Baker
- 👤 William H Pashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:37
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/34; D21H17/00; D21H17/71; D21H17/74; D21H19/00; D21H19/36; D21H19/44; D21H19/46; D21H5/00; D21H5/0002; D21H27/00; D21H27/18; D21H27/22; D21H27/24; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31761; Y10T428/31765; Y10T428/31768; Y10T428/31772; Y10T428/31775
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) | 1941-08-29 | 1942-02-28 | 1942-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-29 | 1946-02-28 | 1946-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-29 | 1950-02-28 | 1950-08-30 | $7700.00 | Window Closed / Lapsed |