US988533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller-skate.
Assignee: Individual
•
Filing: 1910-01-27
•
Granted: 1911-04-04
•
Expires: 1930-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jan Zverina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:47
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/04; A63C17/06; Y; Y10; Y10S; Y10S152/00; Y10S152/18
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) | 1914-04-03 | 1914-10-03 | 1915-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-03 | 1918-10-03 | 1919-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-03 | 1922-10-03 | 1923-04-04 | $7700.00 | Window Closed / Lapsed |