US2559210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring form support
Assignee: Individual
•
Filing: 1946-11-26
•
Granted: 1951-07-03
•
Expires: 1966-11-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:26
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/12; F16L55/128; F16L55/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US363956A
Cited
US620520A
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US725874A
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US763298A
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US914743A
Cited
US1045314A
Cited
US1101434A
Cited
US1224069A
Cited
US1676276A
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US1901235A
Cited
US2238257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |