US2635923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller skate wheel
Assignee: Individual
•
Filing: 1950-08-15
•
Granted: 1953-04-21
•
Expires: 1970-08-15
Abstract
No abstract record available.
Inventors
- 👤 Don G Isham
- 👤 Donald A Peltier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:07
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1033271A
Cited
US1063790A
Cited
FR449156A
Cited
US1247991A
Cited
GB191406752A
Cited
US2110825A
Cited
US2463378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |