Patent US168536A successfully refreshed from Google Patents.
US168536A
Expired / Lapsed
US
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Improvement in paper-fasteners and card-suspenders
Assignee: —
•
Filing: —
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Granted: 1875-10-05
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Expires: 1892-10-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
B; B42; B42D; B42D3/00; B42D3/002; Y; Y10; Y10S; Y10S206/00; Y10S206/806; Y10S24/00; Y10S24/11
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) | 1878-10-04 | 1879-04-05 | 1879-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-10-04 | 1883-04-05 | 1883-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-10-04 | 1887-04-05 | 1887-10-05 | $7700.00 | Window Closed / Lapsed |