Patent US2686529A successfully refreshed from Google Patents.
US2686529A
Expired / Lapsed
US
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Movable pipe line
Assignee: Individual
•
Filing: 1950-04-05
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Granted: 1954-08-17
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Expires: 1970-04-05
Abstract
No abstract record available.
Inventors
- 👤 Lanninger Karl Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:43
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/38; F16L37/44; F16L37/08; F16L37/10; F16L37/113; F16L37/24; F16L37/244; F16L37/252; F16L37/40; F16L37/50; F16L37/52; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1638020A
Cited
US2005556A
Cited
US2033880A
Cited
US2034933A
Cited
US2199588A
Cited
US2225759A
Cited
US2582609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |