US2596839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidtight detachable coupling for tank sections
Assignee: Individual
•
Filing: 1950-01-23
•
Granted: 1952-05-13
•
Expires: 1970-01-23
Abstract
No abstract record available.
Inventors
- 👤 Albert P Clausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:58
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; B64D37/12; Y; Y10; Y10S; Y10S285/00; Y10S285/918; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041; Y10T292/1099; Y10T292/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US704366A
Cited
US1039058A
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GB273350A
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US2300259A
Cited
US2371801A
Cited
US2412418A
Cited
US2417769A
Cited
US2396005A
Cited
US2471296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |