Patent US185606A successfully refreshed from Google Patents.
US185606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in book-clips
Assignee: —
•
Filing: —
•
Granted: 1876-12-19
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Expires: 1893-12-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
B; B42; B42F; B42F1/00; B42F1/02; B42F1/04; B42F1/08; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T24/44855
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) | 1879-12-19 | 1880-06-19 | 1880-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-12-19 | 1884-06-19 | 1884-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-12-19 | 1888-06-19 | 1888-12-19 | $7700.00 | Window Closed / Lapsed |