Patent US3476445A successfully refreshed from Google Patents.
US3476445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear ball bushing
Assignee: SKF USA Inc
•
Filing: 1967-08-03
•
Granted: 1969-11-04
•
Expires: 1987-08-03
Abstract
No abstract record available.
Inventors
- 👤 Burnette J Carlson
- 👤 John H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:11
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0683; F16C29/0685; F16C29/069
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US640397A
Cited
US2452117A
Cited
US2509749A
Cited
US2620163A
Cited
CH286214A
Cited
US2929661A
Cited
GB836261A
Cited
US3044835A
Cited
US2908152A
Cited
US3086824A
Cited
US3311426A
Cited
GB989955A
Cited
SU151910A1
Cited
FR1350657A
Cited
US3360308A
Cited
US3398999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |