US2979087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the fluid flow connecting of stationary conduits and portable fluid containers such as tank cars
Assignee: Ruhrchemie AG
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Filing: 1957-08-15
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Granted: 1961-04-11
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Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
- 👤 Vogt Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:13
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/002; B61; B61D; B61D5/00; B61D5/008; F; F16; F16L; F16L23/00; F16L23/02; F16L23/024; F16L23/028; F16L23/0286
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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |