Patent US4411007A successfully refreshed from Google Patents.
Patent US3046802A successfully refreshed from Google Patents.
US3046802A
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Apparatus for hydraulically or pneumatically operating a member, such as the slide or the valve member of a stop valve
Assignee: Individual
•
Filing: 1959-09-28
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Granted: 1962-07-31
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Cupedo Douwe Janse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:33
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/068; F15B15/20; F15B15/28; F15B15/2815; F16; F16K; F16K31/00; F16K31/12; F16K31/16; F16K31/163; F16K31/44; F16K31/52; F16K31/528; F16K31/5286; G; G05; G05G; G05G7/00; G05G7/02; G05G7/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18992
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |