US1961914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper product
Assignee: Brown Co
•
Filing: 1930-11-21
•
Granted: 1934-06-05
•
Expires: 1950-11-21
Abstract
No abstract record available.
Inventors
- 👤 George A Richter
- 👤 Milton O Schur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:37
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/25; D21H19/00; D21H19/10; D21H19/14; D21H19/34; D21H27/00; D21H27/30; D21H27/32; D21H27/34; D21H27/36; D21H17/63; D21H17/65; D21H17/66; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777; Y10T428/24793; Y10T428/24942; Y10T428/24992; Y10T428/249921; Y10T428/249953; Y10T428/249961; Y10T428/249962; Y10T428/249964; Y10T428/249965; Y10T428/249966
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) | 1937-06-04 | 1937-12-04 | 1938-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-04 | 1941-12-04 | 1942-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-04 | 1945-12-04 | 1946-06-05 | $7700.00 | Window Closed / Lapsed |