US33500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in boxes for dry photographic plates
Assignee: —
•
Filing: —
•
Granted: 1861-10-15
•
Expires: 1878-10-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:44
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/32; G03B17/34; Y; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/906; Y10S388/907; Y10S388/912
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) | 1864-10-14 | 1865-04-15 | 1865-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-10-14 | 1869-04-15 | 1869-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-10-14 | 1873-04-15 | 1873-10-15 | $7700.00 | Window Closed / Lapsed |