Patent US619496A successfully refreshed from Google Patents.
US619496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Half to william h
Assignee: —
•
Filing: —
•
Granted: 1899-02-14
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Expires: 1916-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:25
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D21; D21G; D21G1/00; D21G1/02; D21G1/0246; F; F16; F16C; F16C13/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/4956; Y10T29/49563
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) | 1902-02-14 | 1902-08-16 | 1903-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-02-14 | 1906-08-16 | 1907-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-02-14 | 1910-08-16 | 1911-02-15 | $7700.00 | Window Closed / Lapsed |