Patent US303600A successfully refreshed from Google Patents.
US303600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phillips abbott
Assignee: —
•
Filing: —
•
Granted: 1884-08-12
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Expires: 1901-08-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:14
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/811; B31B70/00; B31B2150/00; B31B2160/00; B31B2160/10
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) | 1887-08-12 | 1888-02-11 | 1888-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-08-12 | 1892-02-11 | 1892-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-08-12 | 1896-02-11 | 1896-08-12 | $7700.00 | Window Closed / Lapsed |