Patent US2616634A successfully refreshed from Google Patents.
US2616634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film magazine
Assignee: Individual
•
Filing: 1949-04-01
•
Granted: 1952-11-04
•
Expires: 1969-04-01
Abstract
No abstract record available.
Inventors
- 👤 Melkon Onnig Diran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:03
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/26; G03B17/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1137771A
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US1164835A
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US1403522A
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US1966347A
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US1899279A
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AU289531A
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US2032214A
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US2135026A
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AT150742B
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US2184331A
Cited
US2422635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |