US2746486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-tight assembly
Assignee: Individual
•
Filing: 1953-01-13
•
Granted: 1956-05-22
•
Expires: 1973-01-13
Abstract
No abstract record available.
Inventors
- 👤 Gratzmuller Jean Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:39
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/006; F16L15/009; F16J; F16J15/00; F16J15/02; F16J15/04; F16L17/00; F16L17/06; F16L17/063; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US221864A
Cited
US1623843A
Cited
US798507A
Cited
US1389542A
Cited
US1956264A
Cited
US1913246A
Cited
US1933117A
Cited
US2171217A
Cited
US2155491A
Cited
US2488566A
Cited
US2540900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |