Patent US3711495A successfully refreshed from Google Patents.
Patent US3059943A successfully refreshed from Google Patents.
US3059943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three wheeled coasters
Assignee: Individual
•
Filing: 1961-01-06
•
Granted: 1962-10-23
•
Expires: 1981-01-06
Abstract
No abstract record available.
Inventors
- 👤 Everett W Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:42
CPC Classifications
B; B62; B62K; B62K5/00; B62K5/02; B62K5/05; B62K3/00; B62K3/002; B62K9/00; B62K9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1662292A
Cited
US1666827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |