Patent US2807499A successfully refreshed from Google Patents.
Patent US593533A successfully refreshed from Google Patents.
US593533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
campbell
Assignee: —
•
Filing: —
•
Granted: 1897-11-09
•
Expires: 1914-11-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:52
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/02; B23D33/04; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16147; Y10T82/16163; Y10T82/16426; Y10T82/16967
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) | 1900-11-09 | 1901-05-11 | 1901-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-11-09 | 1905-05-11 | 1905-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-11-09 | 1909-05-11 | 1909-11-10 | $7700.00 | Window Closed / Lapsed |