Patent US4094480A successfully refreshed from Google Patents.
US317293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halp to dayid p
Assignee: —
•
Filing: —
•
Granted: 1885-05-05
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Expires: 1902-05-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
E; E01; E01B; E01B11/00; E01B11/56; E01B11/62; Y; Y10; Y10S; Y10S411/00; Y10S411/92
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) | 1888-05-04 | 1888-11-03 | 1889-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-05-04 | 1892-11-03 | 1893-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-05-04 | 1896-11-03 | 1897-05-05 | $7700.00 | Window Closed / Lapsed |