Patent US493846A successfully refreshed from Google Patents.
US493846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
James weber and hugo hampel
Assignee: —
•
Filing: —
•
Granted: 1893-03-21
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Expires: 1910-03-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:30
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/14; A61C1/141; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17923
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) | 1896-03-20 | 1896-09-19 | 1897-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-03-21 | 1900-09-20 | 1901-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-03-21 | 1904-09-20 | 1905-03-22 | $7700.00 | Window Closed / Lapsed |