Patent US2684333A successfully refreshed from Google Patents.
Patent US2830975A successfully refreshed from Google Patents.
Patent US1347477A successfully refreshed from Google Patents.
Patent US4819030A successfully refreshed from Google Patents.
Patent US2192330A successfully refreshed from Google Patents.
US2192330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line justifying mechanism
Assignee: Individual
•
Filing: 1937-10-18
•
Granted: 1940-03-05
•
Expires: 1957-10-18
Abstract
No abstract record available.
Inventors
- 👤 Daniel A Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:19
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/60; B41J19/64
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) | 1943-03-05 | 1943-09-04 | 1944-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-05 | 1947-09-04 | 1948-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-05 | 1951-09-04 | 1952-03-05 | $7700.00 | Window Closed / Lapsed |