US2915344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for trunnion bearings
Assignee: Zeller Corp
•
Filing: 1955-11-07
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Granted: 1959-12-01
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Robert C Zeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:58
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7809; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/385; F16D3/40; F16D3/41; F16C21/00; F16C21/005; F16C2361/00; F16C2361/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2244379A
Cited
US2285870A
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US2285623A
Cited
US2433732A
Cited
US2645507A
Cited
US2614895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |