US1395160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Daylight developing and fixing apparatus for roll-films
Assignee: Individual
•
Filing: 1920-11-22
•
Granted: 1921-10-25
•
Expires: 1940-11-22
Abstract
No abstract record available.
Inventors
- 👤 Myron H Stockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:02
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/04; G03D13/06
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) | 1924-10-24 | 1925-04-25 | 1925-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-24 | 1929-04-25 | 1929-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-24 | 1933-04-25 | 1933-10-25 | $7700.00 | Window Closed / Lapsed |