US174821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in cans
Assignee: —
•
Filing: —
•
Granted: 1876-03-14
•
Expires: 1893-03-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:27
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/30; B21D51/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934
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) | 1879-03-14 | 1879-09-13 | 1880-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-03-14 | 1883-09-13 | 1884-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-03-14 | 1887-09-13 | 1888-03-14 | $7700.00 | Window Closed / Lapsed |