US473731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
edwards
Assignee: —
•
Filing: —
•
Granted: 1892-04-26
•
Expires: 1909-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:27
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/08; B21D43/09; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4539; Y10T83/4541; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491; Y10T83/768; Y10T83/7809; Y10T83/7822; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9401; Y10T83/9411; Y10T83/9447
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) | 1895-04-26 | 1895-10-26 | 1896-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-04-26 | 1899-10-26 | 1900-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-04-27 | 1903-10-27 | 1904-04-27 | $7700.00 | Window Closed / Lapsed |