US209147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in pulleys
Assignee: —
•
Filing: —
•
Granted: 1878-10-22
•
Expires: 1895-10-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:53
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/095; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; F16B; F16B21/00; F16B21/10; F16B21/16; F16B2200/00; F16B2200/40; F16B2200/406; F16D2001/0955; F16H; F16H55/00; F16H55/32; F16H55/36; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7049
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) | 1881-10-21 | 1882-04-22 | 1882-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-10-21 | 1886-04-22 | 1886-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-10-21 | 1890-04-22 | 1890-10-22 | $7700.00 | Window Closed / Lapsed |