US3039494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe plug
Assignee: Individual
•
Filing: 1956-10-26
•
Granted: 1962-06-19
•
Expires: 1976-10-26
Abstract
No abstract record available.
Inventors
- 👤 Charles J Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:59
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/12; F16L55/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US208292A
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US443952A
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FR337470A
Cited
US969776A
Cited
US1250603A
Cited
US1592382A
Cited
FR796050A
Cited
US2146641A
Cited
US2465727A
Cited
US2743034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |