Patent US531487A successfully refreshed from Google Patents.
Patent US1655249A successfully refreshed from Google Patents.
US1655249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil blank and process of manufacturing the same
Assignee: AB Dick Co
•
Filing: 1924-09-17
•
Granted: 1928-01-03
•
Expires: 1944-09-17
Abstract
No abstract record available.
Inventors
- 👤 Smith Preston Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:19
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/24; B41N1/243; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1931-01-02 | 1931-07-04 | 1932-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-02 | 1935-07-04 | 1936-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-02 | 1939-07-04 | 1940-01-03 | $7700.00 | Window Closed / Lapsed |