US2545930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe connector
Assignee: BROCKWAY Co
•
Filing: 1946-10-08
•
Granted: 1951-03-20
•
Expires: 1966-10-08
Abstract
No abstract record available.
Inventors
- 👤 James C Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:02
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/025; F16L19/028; F16L19/0286; F16L19/0206; F16L19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1878640A
Cited
US1817854A
Cited
US1971117A
Cited
US2131509A
Cited
US2382098A
Cited
US2413089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |