US324527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal bar
Assignee: —
•
Filing: —
•
Granted: 1885-08-18
•
Expires: 1902-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:16
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B22; B22D; B22D3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12271; Y10T428/12278; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
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) | 1888-08-17 | 1889-02-16 | 1889-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-08-17 | 1893-02-16 | 1893-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-08-17 | 1897-02-16 | 1897-08-18 | $7700.00 | Window Closed / Lapsed |