US2400518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrotyping
Assignee: Printing Plates Res Inc
•
Filing: 1942-06-09
•
Granted: 1946-05-21
•
Expires: 1962-06-09
Abstract
No abstract record available.
Inventors
- 👤 Frank W Kreber
- 👤 Bruce W Gonser
- 👤 Roland M Schaffert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:13
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/02; B29C59/026; B41; B41C; B41C3/00; B41C3/08; Y; Y10; Y10S; Y10S264/00; Y10S264/50
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) | 1949-05-20 | 1949-11-19 | 1950-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-20 | 1953-11-19 | 1954-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-20 | 1957-11-19 | 1958-05-21 | $7700.00 | Window Closed / Lapsed |