Patent US2551582A successfully refreshed from Google Patents.
US2551582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of printing and developing solvent images
Assignee: Individual
•
Filing: 1943-08-27
•
Granted: 1951-05-08
•
Expires: 1963-08-27
Abstract
No abstract record available.
Inventors
- 👤 Chester F Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:47
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/26; G03G15/263; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10S159/00; Y10S159/26
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |