US192438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in sash-balances
Assignee: —
•
Filing: —
•
Granted: 1877-06-26
•
Expires: 1894-06-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:36
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/10; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/394
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1880-06-25 | 1880-12-25 | 1881-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-06-25 | 1884-12-25 | 1885-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-06-25 | 1888-12-25 | 1889-06-26 | $7700.00 | Window Closed / Lapsed |