US239770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1881-04-05
•
Expires: 1898-04-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:40
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/70; B44; B44C; B44C1/00; B44C1/26; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3689; Y10T24/3694; Y10T428/00; Y10T428/22; Y10T428/24; Y10T428/24355; Y10T428/24364
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) | 1884-04-04 | 1884-10-04 | 1885-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-04-04 | 1888-10-04 | 1889-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-04-04 | 1892-10-04 | 1893-04-05 | $7700.00 | Window Closed / Lapsed |