Patent US2822182A successfully refreshed from Google Patents.
US2822182A
Expired / Lapsed
US
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Bearing mounting for roller-skate truck
Assignee: Individual
•
Filing: 1955-11-04
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Granted: 1958-02-04
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Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 Merbler Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:55
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US235887A
Cited
US332189A
Cited
GB453425A
Cited
US2466070A
Cited
FR930820A
Cited
US2622931A
Cited
US2722429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |