Patent US1970249A successfully refreshed from Google Patents.
US40276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fbancis a
Assignee: —
•
Filing: —
•
Granted: 1863-10-13
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Expires: 1880-10-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:02
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/10; B05; B05B; B05B11/00; B05B11/0005; B05B11/0037; B67B; B67B7/00; B67B7/24; B67B7/26; B67B7/28
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) | 1866-10-12 | 1867-04-13 | 1867-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-10-12 | 1871-04-13 | 1871-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-10-12 | 1875-04-13 | 1875-10-13 | $7700.00 | Window Closed / Lapsed |