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Patent US3434387A successfully refreshed from Google Patents.
US3434387A
Expired / Lapsed
US
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Hydraulic actuators
Assignee: Allard Way Holdings Ltd
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Filing: 1966-03-02
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Granted: 1969-03-25
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Stafford M Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:43
CPC Classifications
F; F15; F15B; F15B18/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US802801A
Cited
US1009301A
Cited
US1888092A
Cited
US2556834A
Cited
US2859592A
Cited
US3272090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |