Patent US147965A successfully refreshed from Google Patents.
US147965A
Expired / Lapsed
US
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Improvement in necklace-clasps
Assignee: —
•
Filing: —
•
Granted: 1874-02-24
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Expires: 1891-02-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:56
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/22; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10S24/60; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45016; Y10T24/45225; Y10T24/45984; Y10T24/45995
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) | 1877-02-23 | 1877-08-25 | 1878-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-02-23 | 1881-08-25 | 1882-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-02-23 | 1885-08-25 | 1886-02-24 | $7700.00 | Window Closed / Lapsed |