Patent US4353084A successfully refreshed from Google Patents.
Patent US23633A successfully refreshed from Google Patents.
US23633A
Expired / Lapsed
US
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Improvement in constructing electroplated rollers
Assignee: —
•
Filing: —
•
Granted: 1859-04-12
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Expires: 1876-04-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:00
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38; Y; Y10; Y10S; Y10S29/00; Y10S29/012; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/4956; Y10T29/49563; Y10T29/49712
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) | 1862-04-11 | 1862-10-11 | 1863-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1866-04-11 | 1866-10-11 | 1867-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1870-04-11 | 1870-10-11 | 1871-04-12 | $7700.00 | Window Closed / Lapsed |