US2724312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for obtaining three-dimensional photography
Assignee: Individual
•
Filing: 1952-05-07
•
Granted: 1955-11-22
•
Expires: 1972-05-07
Abstract
No abstract record available.
Inventors
- 👤 John T Gruetzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:10
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/24; Y; Y10; Y10S; Y10S430/00; Y10S430/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1843595A
Cited
US2185221A
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US992151A
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GB282253A
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US1935471A
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US2002090A
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US1996868A
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US1942638A
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US1984471A
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US1994054A
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US2063985A
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US2090398A
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US2219116A
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US2186203A
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US2218227A
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US2357331A
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US2369473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |