Patent US4181933A successfully refreshed from Google Patents.
Patent US221231A successfully refreshed from Google Patents.
US221231A
Expired / Lapsed
US
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Improvement in the processes of manufacturing ornamented metallic plates
Assignee: —
•
Filing: —
•
Granted: 1879-11-04
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Expires: 1896-11-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008; B23K1/0012; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486
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) | 1882-11-03 | 1883-05-05 | 1883-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-11-03 | 1887-05-05 | 1887-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-11-03 | 1891-05-05 | 1891-11-04 | $7700.00 | Window Closed / Lapsed |