US2482638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photogravure
Assignee: Triangle Publications Inc
•
Filing: 1943-04-12
•
Granted: 1949-09-20
•
Expires: 1963-04-12
Abstract
No abstract record available.
Inventors
- 👤 Oswald R Schultz
- 👤 Robert F Nestle
- 👤 Matthew J Romano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:50
CPC Classifications
G; G03; G03F; G03F5/00; G03F5/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2024086A
Cited
US1773887A
Cited
US2010042A
Cited
US2040247A
Cited
US2100346A
Cited
US2060640A
Cited
US2096794A
Cited
US2182559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |