US2926027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-part union having left and right hand threads
Assignee: Individual
•
Filing: 1957-09-13
•
Granted: 1960-02-23
•
Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Riley F Marquis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:03
CPC Classifications
F; F16; F16L; F16L19/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US176796A
Cited
US1325826A
Cited
GB190405302A
Cited
US861828A
Cited
US1191886A
Cited
US1570155A
Cited
US1889869A
Cited
GB380557A
Cited
US2187217A
Cited
US2374138A
Cited
US2702715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |