Patent US470919A successfully refreshed from Google Patents.
US470919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet-metal-knob-fastening device
Assignee: —
•
Filing: —
•
Granted: 1892-03-15
•
Expires: 1909-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:32
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/12; Y; Y10; Y10T; Y10T292/00; Y10T292/82; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834; Y10T74/2084
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) | 1895-03-15 | 1895-09-14 | 1896-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-03-15 | 1899-09-14 | 1900-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-03-16 | 1903-09-15 | 1904-03-16 | $7700.00 | Window Closed / Lapsed |