Patent US2906164A successfully refreshed from Google Patents.
US2906164A
Expired / Lapsed
US
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Apparatus for indicating match points of camera fields
Assignee: Prudential Insurance Company of America
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Filing: 1955-07-22
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Granted: 1959-09-29
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Expires: 1975-07-22
Abstract
No abstract record available.
Inventors
- 👤 Dresser Willis Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:29
CPC Classifications
G; G03; G03B; G03B37/00; G03B37/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1136236A
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US2339780A
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US2282045A
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US2379698A
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US2388714A
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US2441877A
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US2581300A
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US2601086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |