Patent US247084A successfully refreshed from Google Patents.
US247084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hieam s
Assignee: —
•
Filing: —
•
Granted: 1881-09-13
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Expires: 1898-09-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:55
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; Y; Y10; Y10T; Y10T403/00; Y10T403/47; Y10T403/477
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) | 1884-09-12 | 1885-03-14 | 1885-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-09-12 | 1889-03-14 | 1889-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-09-12 | 1893-03-14 | 1893-09-13 | $7700.00 | Window Closed / Lapsed |