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Patent US493060A successfully refreshed from Google Patents.
US493060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
bowman
Assignee: —
•
Filing: —
•
Granted: 1893-03-07
•
Expires: 1910-03-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:17
CPC Classifications
F; F03; F03D; F03D9/00; F03D9/20; F03D9/28; F03D15/00; F03D15/10; F03D7/00; F03D7/02; F03D7/0204; F03D7/0208; F03D7/0212; F03D1/00; F03D1/02; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1896-03-06 | 1896-09-05 | 1897-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-03-07 | 1900-09-06 | 1901-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-03-07 | 1904-09-06 | 1905-03-08 | $7700.00 | Window Closed / Lapsed |