US1964793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glycerinated paper
Assignee: Brown Co
•
Filing: 1932-01-30
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Granted: 1934-07-03
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Expires: 1952-01-30
Abstract
No abstract record available.
Inventors
- 👤 George A Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:31
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/08; D; D21; D21H; D21H27/00; D21H27/30; D21H11/00; D21H11/16; D21H11/18; D21H17/00; D21H17/03; D21H17/05; D21H17/06; D21H21/00; D21H21/14; D21H21/16; D21H21/28; D21H23/00; D21H23/02; D21H23/22; D21H23/24; D21H23/26; D21H23/28; D21H23/50
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) | 1937-07-02 | 1938-01-01 | 1938-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-02 | 1942-01-01 | 1942-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-02 | 1946-01-01 | 1946-07-03 | $7700.00 | Window Closed / Lapsed |