US2607370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe plug
Assignee: Individual
•
Filing: 1948-07-13
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Granted: 1952-08-19
•
Expires: 1968-07-13
Abstract
No abstract record available.
Inventors
- 👤 Oscar F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/12; F16L55/128; F16L55/136; F16L55/132
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) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |