Patent US543906A successfully refreshed from Google Patents.
US543906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Algenon s
Assignee: —
•
Filing: —
•
Granted: 1895-08-06
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Expires: 1912-08-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:55
CPC Classifications
A; A47; A47G; A47G5/00; E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7416; E04B2/7422; E04B2/7427; E04B2/7431
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) | 1898-08-05 | 1899-02-04 | 1899-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1902-08-06 | 1903-02-05 | 1903-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1906-08-06 | 1907-02-05 | 1907-08-07 | $7700.00 | Window Closed / Lapsed |