US1476562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rendering paper material and the like grease and water proof
Assignee: Individual
•
Filing: 1920-05-22
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Granted: 1923-12-04
•
Expires: 1940-05-22
Abstract
No abstract record available.
Inventors
- 👤 Wilbur L Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:19
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/16; D21H17/00; D21H17/03; D21H17/05; D21H17/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; 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) | 1926-12-03 | 1927-06-04 | 1927-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-03 | 1931-06-04 | 1931-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-03 | 1935-06-04 | 1935-12-04 | $7700.00 | Window Closed / Lapsed |