US3489160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency shut-off valve assembly
Assignee: Dover Corp
•
Filing: 1966-09-12
•
Granted: 1970-01-13
•
Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:49
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B67D7/3209; B67D7/3218; F; F16; F16K; F16K17/00; F16K17/36; F16K17/363; F16K17/40; F16K27/00; F16K27/006; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0777; Y10T137/1624; Y10T137/1632; Y10T137/1639; Y10T137/1654; Y10T137/1797; Y10T137/1819; Y10T137/1834
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |