US1913329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filled surface paper and process of making same
Assignee: CHAMPION COATED PAPER Co
•
Filing: 1932-05-14
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Granted: 1933-06-06
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Expires: 1952-05-14
Abstract
No abstract record available.
Inventors
- 👤 Donald B Bradner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:45
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; Y; Y10; Y10S; Y10S162/00; Y10S162/05; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612; Y10T428/2462
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) | 1936-06-05 | 1936-12-05 | 1937-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-05 | 1940-12-05 | 1941-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-05 | 1944-12-05 | 1945-06-06 | $7700.00 | Window Closed / Lapsed |