US2620206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupler seal
Assignee: RM Wade and Co
•
Filing: 1949-07-25
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Granted: 1952-12-02
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Expires: 1969-07-25
Abstract
No abstract record available.
Inventors
- 👤 Cornelius Gail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:10
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/50; F16L37/54; F16L17/00; F16L17/02; F16L17/03; F16L17/032
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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |