Patent US2372686A successfully refreshed from Google Patents.
Patent US339769A successfully refreshed from Google Patents.
US339769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
hayes
Assignee: —
•
Filing: —
•
Granted: 1886-04-13
•
Expires: 1903-04-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:18
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7453; E04B2/7457; 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) | 1889-04-12 | 1889-10-12 | 1890-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-04-12 | 1893-10-12 | 1894-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-04-12 | 1897-10-12 | 1898-04-13 | $7700.00 | Window Closed / Lapsed |