Patent US519810A successfully refreshed from Google Patents.
US519810A
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US
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Nail or spike
Assignee: —
•
Filing: —
•
Granted: 1894-05-15
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Expires: 1911-05-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:48
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/06; Y; Y10; Y10S; Y10S411/00; Y10S411/923
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) | 1897-05-14 | 1897-11-13 | 1898-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-05-15 | 1901-11-14 | 1902-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-05-15 | 1905-11-14 | 1906-05-16 | $7700.00 | Window Closed / Lapsed |