US2532701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making intaglio or gravure printing plates
Assignee: Individual
•
Filing: 1947-03-20
•
Granted: 1950-12-05
•
Expires: 1967-03-20
Abstract
No abstract record available.
Inventors
- 👤 William H Falconer
- 👤 Estler Louis Calder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:21
CPC Classifications
G; G03; G03F; G03F5/00; G03F5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1477866A
Cited
US1532696A
Cited
GB274422A
Cited
US2226086A
Cited
US2112416A
Cited
US2407211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |