US509951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ehregott schroder
Assignee: —
•
Filing: —
•
Granted: 1893-12-05
•
Expires: 1910-12-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; H; H05; H05K; H05K2203/00; H05K2203/07; H05K2203/0703; H05K2203/0726
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) | 1896-12-04 | 1897-06-05 | 1897-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-12-05 | 1901-06-06 | 1901-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-12-05 | 1905-06-06 | 1905-12-06 | $7700.00 | Window Closed / Lapsed |