Patent US3438686A successfully refreshed from Google Patents.
US3438686A
Expired / Lapsed
US
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Bearing support bushing
Assignee: Incom International Inc
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Filing: 1967-01-23
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Granted: 1969-04-15
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Alan J Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:06
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/10; F16C27/00; F16C27/02; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1849963A
Cited
US3033624A
Cited
US3203304A
Cited
US3164054A
Cited
US3261647A
Cited
US3366356A
Cited
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 |