Patent US679740A successfully refreshed from Google Patents.
US679740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic-printing apparatus.
Assignee: Individual
•
Filing: 1901-01-04
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Granted: 1901-08-06
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Expires: 1921-01-04
Abstract
No abstract record available.
Inventors
- 👤 Georg Gerlach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:48
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/18; G03B27/20
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) | 1904-08-05 | 1905-02-04 | 1905-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-08-05 | 1909-02-04 | 1909-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-08-05 | 1913-02-04 | 1913-08-06 | $7700.00 | Window Closed / Lapsed |