US3531078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuator for shut-off valve
Assignee: Atwood and Morrill Co Inc
•
Filing: 1969-02-07
•
Granted: 1970-09-29
•
Expires: 1989-02-07
Abstract
No abstract record available.
Inventors
- 👤 Alexander V Hose
- 👤 Norman F Prescott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:53
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K39/024; F16K31/00; F16K31/12; F16K31/122; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/86944; Y10T137/86976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US534360A
Cited
US673013A
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US846692A
Cited
US1970963A
Cited
US2663318A
Cited
US3177894A
Cited
US3332660A
Cited
US3427930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |