Patent US2966374A successfully refreshed from Google Patents.
US2966374A
Expired / Lapsed
US
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Packing for face type seals
Assignee: Gits Bros Mfg Co
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Filing: 1957-05-15
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Granted: 1960-12-27
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jensen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:29
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436866A
Cited
US2653837A
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US2628852A
Cited
US2761711A
Cited
US2872220A
Cited
US2824759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |