Patent US5015271A successfully refreshed from Google Patents.
Patent US668971A successfully refreshed from Google Patents.
US668971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable warehouse-elevator.
Assignee: Individual
•
Filing: 1900-04-03
•
Granted: 1901-02-26
•
Expires: 1920-04-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:48
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/12; B65G17/123; B65G2201/00; B65G2201/02
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) | 1904-02-26 | 1904-08-27 | 1905-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-02-26 | 1908-08-27 | 1909-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-02-26 | 1912-08-27 | 1913-02-26 | $7700.00 | Window Closed / Lapsed |