US2786218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaner for pipes, etc.
Assignee: Individual
•
Filing: 1955-03-28
•
Granted: 1957-03-26
•
Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Yousem Ephriam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:05
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/30; E03C1/302; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/905; Y10T408/906; Y10T408/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA507313A
Cited
US706013A
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US1477855A
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US1641320A
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US2093819A
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US2287916A
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US2334755A
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US2294969A
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US2355733A
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US2411209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |