Patent US844243A successfully refreshed from Google Patents.
Patent US308979A successfully refreshed from Google Patents.
US308979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Johk m
Assignee: —
•
Filing: —
•
Granted: 1884-12-09
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Expires: 1901-12-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:42
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/24; G01F23/241; G01F23/243; Y; Y10; Y10S; Y10S200/00; Y10S200/30
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) | 1887-12-09 | 1888-06-09 | 1888-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-12-09 | 1892-06-09 | 1892-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-12-09 | 1896-06-09 | 1896-12-09 | $7700.00 | Window Closed / Lapsed |