Patent US2768012A successfully refreshed from Google Patents.
US2768012A
Expired / Lapsed
US
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Gaskets or packing rings for journal boxes
Assignee: Individual
•
Filing: 1953-05-14
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Granted: 1956-10-23
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Expires: 1973-05-14
Abstract
No abstract record available.
Inventors
- 👤 Karl A Klingler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:40
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3268; B; B61; B61F; B61F15/00; B61F15/20; B61F15/22; F16C; F16C33/00; F16C33/72; F16C33/74; F16C2326/00; F16C2326/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1683449A
Cited
US1983522A
Cited
US1969787A
Cited
US2165102A
Cited
US2445597A
Cited
US2480116A
Cited
US2647777A
Cited
US2668067A
Cited
US2657102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |