US3456673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Large-capacity bellows-type hydraulic reservoir
Assignee: SUD AVIAT SOC NATIONALE DE CON
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Filing: 1967-11-01
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Granted: 1969-07-22
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Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Roger Legrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:00
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/26; F15B1/265; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/103; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/21; F15B2201/30; F15B2201/315; F15B2201/3153; F15B2201/3158; F15B2201/40; F15B2201/41; F15B2201/411; F15B2201/415; F15B2201/4155; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3099; Y10T137/794; Y10T137/8085; Y10T137/8158; Y10T137/8225; Y10T137/8593; Y10T137/86381
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |