Patent US2477904A successfully refreshed from Google Patents.
US2477904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable roll film magazine for miniature cameras
Assignee: Individual
•
Filing: 1945-05-14
•
Granted: 1949-08-02
•
Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Schwartz Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:45
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US446372A
Cited
US524142A
Cited
US542334A
Cited
US595468A
Cited
US771607A
Cited
US949450A
Cited
US1936860A
Cited
US2093480A
Cited
US2143385A
Cited
US2187449A
Cited
US2208797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |