Patent US4573622A successfully refreshed from Google Patents.
US2522387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera having movable roll film body parts for taking different size exposures
Assignee: Individual
•
Filing: 1945-09-24
•
Granted: 1950-09-12
•
Expires: 1965-09-24
Abstract
No abstract record available.
Inventors
- 👤 Livens William Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:14
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)
FR34810E
Cited
US702464A
Cited
US1031023A
Cited
US1032867A
Cited
US1068895A
Cited
US1293864A
Cited
US1344207A
Cited
US1680647A
Cited
US1847531A
Cited
US1814973A
Cited
FR626300A
Cited
US1897268A
Cited
US1947482A
Cited
US2233238A
Cited
US2247104A
Cited
US2233239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |