US2931286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid conduit article of manufacture and combination article of manufacture
Assignee: Individual
•
Filing: 1956-09-13
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Granted: 1960-04-05
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Expires: 1976-09-13
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter L Fry
- 👤 Jr Mack Wheeler Pittard
- 👤 Easterman Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/56; B60N2/5607; B60N2/5621; B60N2/5642; B60H; B60H1/00; B60H1/00271; B60H1/00285; B60N2/5628; B60N2/5657; B60N2/58; B60N2/60; F; F24; F24F; F24F13/00; F24F13/02; F24F13/0218; F24F13/06; F24F13/0604
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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |