US2420726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographer's film numbering box
Assignee: Individual
•
Filing: 1946-05-27
•
Granted: 1947-05-20
•
Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Sabin John
- 👤 Frank R Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:28
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/243
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2146920A
Cited
US2366804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |