US2739702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe cleaner
Assignee: Individual
•
Filing: 1951-01-09
•
Granted: 1956-03-27
•
Expires: 1971-01-09
Abstract
No abstract record available.
Inventors
- 👤 Eriksen Leif Hakon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
B; B31; B31D; B31D5/00; B31D5/0091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2053123A
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US2132782A
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US2188813A
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US2217049A
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US2364903A
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US2454821A
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US2510345A
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US2503791A
Cited
US2575666A
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US2561781A
Cited
US2593090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |