US2445628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insubmersible pipe line
Assignee: Individual
•
Filing: 1940-02-28
•
Granted: 1948-07-20
•
Expires: 1960-02-28
Abstract
No abstract record available.
Inventors
- 👤 Muller Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:29
CPC Classifications
E; E02; E02F; E02F7/00; E02F7/10; F; F16; F16L; F16L11/00; F16L11/04; F16L11/12; F16L11/133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US592017A
Cited
US604015A
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DE592017C
Cited
US1332384A
Cited
US1637701A
Cited
US1462830A
Cited
US1476258A
Cited
US1712803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |