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US235703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heney j
Assignee: —
•
Filing: —
•
Granted: 1880-12-21
•
Expires: 1897-12-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:57
CPC Classifications
G; G06; G06G; G06G1/00
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) | 1883-12-21 | 1884-06-21 | 1884-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-12-21 | 1888-06-21 | 1888-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-12-21 | 1892-06-21 | 1892-12-21 | $7700.00 | Window Closed / Lapsed |