US2587447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera having blade and cover blind shutter
Assignee: Individual
•
Filing: 1947-05-13
•
Granted: 1952-02-26
•
Expires: 1967-05-13
Abstract
No abstract record available.
Inventors
- 👤 Durst Giulio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:54
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US510805A
Cited
US1430582A
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US1516496A
Cited
US1909597A
Cited
FR782157A
Cited
US2111425A
Cited
GB479135A
Cited
US2395828A
Cited
US2367195A
Cited
US2365690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |