US973962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projecting photographic images in natural colors.
Assignee: OLIVER TRI-CHROMATIC Co
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Filing: 1910-03-03
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Granted: 1910-10-25
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Expires: 1930-03-03
Abstract
No abstract record available.
Inventors
- 👤 William E Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-10-24 | 1914-04-25 | 1914-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-24 | 1918-04-25 | 1918-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-24 | 1922-04-25 | 1922-10-25 | $7700.00 | Window Closed / Lapsed |