US2565185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for projecting threedimensional photographs
Assignee: Individual
•
Filing: 1947-01-13
•
Granted: 1951-08-21
•
Expires: 1967-01-13
Abstract
No abstract record available.
Inventors
- 👤 Pastor Guillermo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:39
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/08; G03; G03B; G03B35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB555670A
Cited
US2415550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |