Patent US2509822A successfully refreshed from Google Patents.
US103222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
George f
Assignee: —
•
Filing: —
•
Granted: 1870-05-17
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Expires: 1887-05-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:16
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/08; E03C1/084; B; B05; B05B; B05B7/00; B05B7/02; B05B7/04; B05B7/0416; B05B7/0441; B05B7/0475
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) | 1873-05-16 | 1873-11-15 | 1874-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-05-16 | 1877-11-15 | 1878-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-05-16 | 1881-11-15 | 1882-05-17 | $7700.00 | Window Closed / Lapsed |