US198072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in columns
Assignee: Individual
•
Filing: 1877-11-19
•
Granted: 1877-12-11
•
Expires: 1897-11-19
Abstract
No abstract record available.
Inventors
- 👤 Adolphus Bonzano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:33
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/22; E04H12/2253; E04H12/2269
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) | 1880-12-10 | 1881-06-11 | 1881-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-12-10 | 1885-06-11 | 1885-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-12-10 | 1889-06-11 | 1889-12-11 | $7700.00 | Window Closed / Lapsed |