US3470903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure openable tubing tester
Assignee: Jackson Memorial Hospital
•
Filing: 1967-01-25
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Granted: 1969-10-07
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Expires: 1987-01-25
Abstract
No abstract record available.
Inventors
- 👤 Lyle B Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:54
CPC Classifications
F; F16; F16L; F16L29/00; E; E21; E21B; E21B34/00; E21B34/06; E21B34/12; E21B47/00; E21B47/10; E21B47/117; E21B2200/00; E21B2200/05; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7734; Y10T137/7771; Y10T137/7781; Y10T137/7782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2152794A
Cited
US2377947A
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US2874927A
Cited
US2912216A
Cited
US2853265A
Cited
US3067770A
Cited
US3249124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |