Patent US540723A successfully refreshed from Google Patents.
US540723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edward randol colgin
Assignee: —
•
Filing: —
•
Granted: 1895-06-11
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Expires: 1912-06-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:58
CPC Classifications
B; B65; B65B; B65B19/00; B65B19/02; B65B19/04; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4812; Y10T83/869; Y10T83/8789; Y10T83/8794
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) | 1898-06-10 | 1898-12-10 | 1899-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1902-06-11 | 1902-12-11 | 1903-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1906-06-11 | 1906-12-11 | 1907-06-12 | $7700.00 | Window Closed / Lapsed |