Patent US237624A successfully refreshed from Google Patents.
US237624A
Expired / Lapsed
US
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Biohaed h
Assignee: —
•
Filing: —
•
Granted: 1881-02-08
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Expires: 1898-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:58
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822
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) | 1884-02-08 | 1884-08-09 | 1885-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-02-08 | 1888-08-09 | 1889-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-02-08 | 1892-08-09 | 1893-02-08 | $7700.00 | Window Closed / Lapsed |