Patent US3527465A successfully refreshed from Google Patents.
US3527465A
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US
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Rotary packing for use in rotary machines and more particularly in pumps
Assignee: ETABLIS POMPES GUINARD SA
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Filing: 1967-10-16
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Granted: 1970-09-08
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Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 Paul Andre Guinard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:12
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/122; F04C; F04C15/00; F04C15/0003; F04C15/0034; F04C15/0038; F04D29/126; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16J15/3416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2087313A
Cited
US3109658A
Cited
GB1009940A
Cited
US3085808A
Cited
GB1012085A
Cited
US3347552A
Cited
US3421768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |