US2954797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leak control jacket apparatus
Assignee: Individual
•
Filing: 1957-08-09
•
Granted: 1960-10-04
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Eldon O Dryer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:09
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; F; F16; F16L; F16L2201/00; F16L2201/30; Y; Y10; Y10T; Y10T137/00; Y10T137/5762; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US316967A
Cited
US425369A
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US441141A
Cited
US1165388A
Cited
US1606715A
Cited
US2699960A
Cited
US2772804A
Cited
US2765095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |