US2474159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
View taking apparatus
Assignee: Individual
•
Filing: 1945-08-20
•
Granted: 1949-06-21
•
Expires: 1965-08-20
Abstract
No abstract record available.
Inventors
- 👤 Pejois Louis Georges Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:36
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/53
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US756087A
Cited
US1019297A
Cited
US1040976A
Cited
US1416193A
Cited
US1671644A
Cited
US1911345A
Cited
US1846571A
Cited
US1852967A
Cited
US1808836A
Cited
US1915791A
Cited
US2073998A
Cited
US2219314A
Cited
US2351399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |