US3519291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure openable tubing tester
Assignee: Jackson Memorial Hospital
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Filing: 1968-11-25
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Granted: 1970-07-07
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Expires: 1988-11-25
Abstract
No abstract record available.
Inventors
- 👤 Lyle B Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:30
CPC Classifications
E; E21; E21B; E21B34/00; E21B34/06; E21B34/12; E21B47/00; E21B47/10; E21B47/117; F; F16; F16L; F16L29/00; E21B2200/00; E21B2200/05; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32467; Y10T403/32516; Y10T403/70; Y10T403/7005
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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |