Patent US252430A successfully refreshed from Google Patents.
US252430A
Expired / Lapsed
US
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Barber s paper-clip
Assignee: —
•
Filing: —
•
Granted: 1882-01-17
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Expires: 1899-01-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:29
CPC Classifications
A; A41; A41F; A41F11/00; A41F11/02; A41F11/04; G; G09; G09F; G09F15/00; G09F15/0006; G09F15/0018; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3449; Y10T24/3453; Y10T24/44; Y10T24/44641; Y10T24/44769
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) | 1885-01-16 | 1885-07-18 | 1886-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-01-16 | 1889-07-18 | 1890-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-01-16 | 1893-07-18 | 1894-01-17 | $7700.00 | Window Closed / Lapsed |