Patent US3374721A successfully refreshed from Google Patents.
US3374721A
Expired / Lapsed
US
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Panoramic camera
Assignee: A V E CORP
•
Filing: 1965-04-26
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Granted: 1968-03-26
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Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 Clifford F Van Praag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:25
CPC Classifications
G; G03; G03B; G03B37/00; G03B37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US369165A
Cited
US780406A
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US792423A
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US893819A
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US1751774A
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US2068410A
Cited
US2099681A
Cited
US3142237A
Cited
US3183810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |