Patent US240772A successfully refreshed from Google Patents.
US240772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating wire
Assignee: —
•
Filing: —
•
Granted: 1881-04-26
•
Expires: 1898-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:17
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; Y; Y10; Y10S; Y10S16/00; Y10S16/12
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) | 1884-04-25 | 1884-10-25 | 1885-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-04-25 | 1888-10-25 | 1889-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-04-25 | 1892-10-25 | 1893-04-26 | $7700.00 | Window Closed / Lapsed |