Patent US528146A successfully refreshed from Google Patents.
US528146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cromwell
Assignee: —
•
Filing: —
•
Granted: 1894-10-30
•
Expires: 1911-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:13
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/32; Y; Y10; Y10S; Y10S16/00; Y10S16/17; Y10T; Y10T292/00; Y10T292/28; Y10T292/282
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) | 1897-10-29 | 1898-04-30 | 1898-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-10-30 | 1902-05-01 | 1902-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-10-30 | 1906-05-01 | 1906-10-31 | $7700.00 | Window Closed / Lapsed |