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US456441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making metal washers
Assignee: —
•
Filing: —
•
Granted: 1891-07-21
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Expires: 1908-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:10
CPC Classifications
B; B21; B21D; B21D45/00; B21D45/003; B21D45/006; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831
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) | 1894-07-20 | 1895-01-19 | 1895-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-07-20 | 1899-01-19 | 1899-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-07-21 | 1903-01-20 | 1903-07-22 | $7700.00 | Window Closed / Lapsed |