Patent US500677A successfully refreshed from Google Patents.
US500677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injector
Assignee: —
•
Filing: —
•
Granted: 1893-07-04
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Expires: 1910-07-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/14; F04F5/16; F04F5/20; F04F5/22
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) | 1896-07-03 | 1897-01-02 | 1897-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-07-04 | 1901-01-03 | 1901-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-07-04 | 1905-01-03 | 1905-07-05 | $7700.00 | Window Closed / Lapsed |