Patent US4734614A successfully refreshed from Google Patents.
Patent US3438647A successfully refreshed from Google Patents.
US3438647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for kingpin thrust bearing assemblies
Assignee: TRAYER PRODUCTS Inc
•
Filing: 1967-06-30
•
Granted: 1969-04-15
•
Expires: 1987-06-30
Abstract
No abstract record available.
Inventors
- 👤 Henry J Fraboni
- 👤 Harold C Mapes
- 👤 Newell D Mullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:43
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/18; F; F16; F16C; F16C17/00; F16C17/04; F16C2326/00; F16C2326/20; F16C2326/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |