US2495047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film or plate viewer having a telescoping casing
Assignee: ARCADIA Manufacturing Co
•
Filing: 1946-05-31
•
Granted: 1950-01-17
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Leonard N Afton
- 👤 Kaufman Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:37
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1066848A
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US1184110A
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US1291710A
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US1866587A
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US1729660A
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US1865028A
Cited
US2065307A
Cited
US2419339A
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US2422816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |