US666156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam hydraulic elevator.
Assignee: Individual
•
Filing: 1900-10-27
•
Granted: 1901-01-15
•
Expires: 1920-10-27
Abstract
No abstract record available.
Inventors
- 👤 Ellis B Ridgway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:09
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/06; F15B11/072; F15B11/0725; B; B66; B66F; B66F7/00; B66F7/10; B66F7/16; B66F7/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/742; Y10T137/8593; Y10T137/87169
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) | 1904-01-15 | 1904-07-16 | 1905-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-01-15 | 1908-07-16 | 1909-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-01-15 | 1912-07-16 | 1913-01-15 | $7700.00 | Window Closed / Lapsed |