Patent US613712A successfully refreshed from Google Patents.
US613712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-bearing pulley
Assignee: —
•
Filing: —
•
Granted: 1898-11-08
•
Expires: 1915-11-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:48
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C33/605; F16C13/00; F16C13/006; F16C19/00; F16C19/02; F16C19/14; F16C19/18; F16C33/72; F16C33/76; F16C33/767
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) | 1901-11-08 | 1902-05-10 | 1902-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-11-08 | 1906-05-10 | 1906-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-11-08 | 1910-05-10 | 1910-11-09 | $7700.00 | Window Closed / Lapsed |