Patent US603483A successfully refreshed from Google Patents.
US603483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
hefel
Assignee: —
•
Filing: —
•
Granted: 1898-05-03
•
Expires: 1915-05-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:27
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; B; B01; B01D; B01D21/00; B01D21/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1901-05-03 | 1901-11-02 | 1902-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-05-03 | 1905-11-02 | 1906-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-05-03 | 1909-11-02 | 1910-05-04 | $7700.00 | Window Closed / Lapsed |