US3533668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced plastic bearing and method for fabricating same
Assignee: PLAS STEEL PRODUCTS Inc
•
Filing: 1968-02-19
•
Granted: 1970-10-13
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Expires: 1988-02-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Tunis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:42
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; F16C33/28; F16C2380/00; F16C2380/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3056709A
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US3067135A
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US3151015A
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US3131979A
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US3194702A
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US3250554A
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US3250556A
Cited
US3110530A
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US3243236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |