Patent US581693A successfully refreshed from Google Patents.
US581693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain-holder
Assignee: —
•
Filing: —
•
Granted: 1897-05-04
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Expires: 1914-05-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:36
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/08; F16B13/0808; A; A47; A47H; A47H13/00; E; E04; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/2604; E04B1/2612; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3617; Y10T24/3623; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45497; Y10T24/45503
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) | 1900-05-04 | 1900-11-03 | 1901-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-05-04 | 1904-11-03 | 1905-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-05-04 | 1908-11-03 | 1909-05-05 | $7700.00 | Window Closed / Lapsed |