US503870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless-chain conveyer
Assignee: —
•
Filing: —
•
Granted: 1893-08-22
•
Expires: 1910-08-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/12; B65G17/126; B65G2201/00; B65G2201/04
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) | 1896-08-21 | 1897-02-20 | 1897-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-08-22 | 1901-02-21 | 1901-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-08-22 | 1905-02-21 | 1905-08-23 | $7700.00 | Window Closed / Lapsed |