US2417249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant volume connection for fluid conduits
Assignee: Glenn L Martin Co
•
Filing: 1944-06-27
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Granted: 1947-03-11
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Expires: 1964-06-27
Abstract
No abstract record available.
Inventors
- 👤 Owen H Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; F; F16; F16L; F16L27/00; F16L27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-10 | 1950-09-09 | 1951-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-10 | 1954-09-09 | 1955-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-10 | 1958-09-09 | 1959-03-11 | $7700.00 | Window Closed / Lapsed |