Patent US537463A successfully refreshed from Google Patents.
US537463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite steel plate
Assignee: —
•
Filing: —
•
Granted: 1895-04-16
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Expires: 1912-04-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:56
CPC Classifications
B; B23; B23K; B23K26/00; B23K26/34; B23K26/20; B23K26/32; C; C22; C22F; C22F1/00; C22F1/10; B23K2103/00; B23K2103/50; Y; Y10; Y10S; Y10S16/00; Y10S16/18; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965
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) | 1898-04-15 | 1898-10-15 | 1899-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1902-04-16 | 1902-10-16 | 1903-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1906-04-16 | 1906-10-16 | 1907-04-17 | $7700.00 | Window Closed / Lapsed |