Patent US839853A successfully refreshed from Google Patents.
US839853A
Expired / Lapsed
US
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Exhibiting diffraction-photographs.
Assignee: Individual
•
Filing: 1905-10-30
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Granted: 1907-01-01
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Expires: 1925-10-30
Abstract
No abstract record available.
Inventors
- 👤 Frederic Eugene Ives
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/31; H04N9/3197; Y; Y10; Y10S; Y10S359/00; Y10S359/90
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) | 1909-12-31 | 1910-07-02 | 1911-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-12-31 | 1914-07-02 | 1915-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-12-31 | 1918-07-02 | 1919-01-01 | $7700.00 | Window Closed / Lapsed |