US3477794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yielding bushing
Assignee: Columbian Bronze Corp
•
Filing: 1967-02-14
•
Granted: 1969-11-11
•
Expires: 1987-02-14
Abstract
No abstract record available.
Inventors
- 👤 Douglas T Abbott
- 👤 William C Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:11
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/76; B; B63; B63H; B63H23/00; B63H23/32; B63H23/34; B64; B64C; B64C11/00; B64C11/02; B64C11/04; B64C11/06; B64C11/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235605A
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US2312822A
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US2363469A
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DE850099C
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US2469116A
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US2564826A
Cited
GB661643A
Cited
GB801998A
Cited
US2993544A
Cited
US3047074A
Cited
US3012767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |