US76912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petefs
Assignee: —
•
Filing: —
•
Granted: 1868-04-21
•
Expires: 1885-04-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:10
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/18; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5815; Y10T83/5842; Y10T83/5851; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491
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) | 1871-04-21 | 1871-10-21 | 1872-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1875-04-21 | 1875-10-21 | 1876-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1879-04-21 | 1879-10-21 | 1880-04-21 | $7700.00 | Window Closed / Lapsed |