US2632659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swiveling elbow fitting
Assignee: Individual
•
Filing: 1950-08-09
•
Granted: 1953-03-24
•
Expires: 1970-08-09
Abstract
No abstract record available.
Inventors
- 👤 Ii Leighton Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:21
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US545268A
Cited
US676846A
Cited
US1605507A
Cited
GB303540A
Cited
US1884266A
Cited
GB366223A
Cited
US2020365A
Cited
US2453597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |