Patent US1894219A successfully refreshed from Google Patents.
US1894219A
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US
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Reenforced paper
Assignee: American Reenforced Paper Co
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Filing: 1931-04-03
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Granted: 1933-01-10
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Expires: 1951-04-03
Abstract
No abstract record available.
Inventors
- 👤 George E Gibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24124; Y10T428/24479; Y10T428/24521; Y10T428/24537; Y10T428/249921; Y10T428/249924; Y10T428/249926; Y10T428/31504; Y10T428/31815; Y10T428/31819; Y10T428/31823
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) | 1936-01-10 | 1936-07-11 | 1937-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-10 | 1940-07-11 | 1941-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-10 | 1944-07-11 | 1945-01-10 | $7700.00 | Window Closed / Lapsed |