Patent US2365376A successfully refreshed from Google Patents.
US2365376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling the characteristic of photographic emulsions
Assignee: Individual
•
Filing: 1940-08-23
•
Granted: 1944-12-19
•
Expires: 1960-08-23
Abstract
No abstract record available.
Inventors
- 👤 Becker Carlheinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:50
CPC Classifications
G; G11; G11B; G11B7/00
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) | 1947-12-19 | 1948-06-19 | 1948-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-19 | 1952-06-19 | 1952-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-19 | 1956-06-19 | 1956-12-19 | $7700.00 | Window Closed / Lapsed |