US503004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
severy
Assignee: —
•
Filing: —
•
Granted: 1893-08-08
•
Expires: 1910-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:35
CPC Classifications
G; G02; G02B; G02B26/00; G02B26/08; G02B26/0816; G02B26/0825; F; F24; F24S; F24S23/00; F24S23/70; F24S23/74; F24S25/00; F24S25/70; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/47
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) | 1896-08-07 | 1897-02-06 | 1897-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-08-08 | 1901-02-07 | 1901-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-08-08 | 1905-02-07 | 1905-08-09 | $7700.00 | Window Closed / Lapsed |