US3456679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety lock for high pressure valves
Assignee: Cameron Solutions Inc
•
Filing: 1965-09-17
•
Granted: 1969-07-22
•
Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Ollie W Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:30
CPC Classifications
F; F16; F16K; F16K35/00; F16K43/00; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/5983; Y10T137/6065; Y10T137/6069; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T137/7065; Y10T137/7504; Y10T137/7668; Y10T137/8158; Y10T137/8593; Y10T137/86292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20529E
Cited
US941652A
Cited
US1519231A
Cited
US1706051A
Cited
US1956987A
Cited
US2134044A
Cited
US2958336A
Cited
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 |