Patent US435681A successfully refreshed from Google Patents.
US435681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for oscillating photographers developing-pans
Assignee: —
•
Filing: —
•
Granted: 1890-09-02
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Expires: 1907-09-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:01
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/04; B; B01; B01F; B01F23/00; B01F23/40; B01F23/47; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18456
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) | 1893-09-01 | 1894-03-03 | 1894-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-09-01 | 1898-03-03 | 1898-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-09-02 | 1902-03-04 | 1902-09-03 | $7700.00 | Window Closed / Lapsed |