Patent US3068805A successfully refreshed from Google Patents.
US3068805A
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Pressure balancing means for rotary end valving surfaces
Assignee: Bendix Corp
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Filing: 1958-06-12
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Granted: 1962-12-18
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Expires: 1978-06-12
Abstract
No abstract record available.
Inventors
- 👤 Jr James O Byers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:21
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0438; F01; F01B; F01B1/00; F01B1/06; F01B1/0675; F01B1/0696; F01B13/00; F01B13/04; F01B13/06; F01B13/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191302784A
Cited
US2257724A
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US2299751A
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US2284109A
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US2698585A
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US2741993A
Cited
FR1122271A
Cited
FR1132654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |