US3400419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube-cleaning device
Assignee: Individual
•
Filing: 1966-03-21
•
Granted: 1968-09-10
•
Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:23
CPC Classifications
F; F28; F28G; F28G1/00; F28G1/16; F28G1/163; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1427524A
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US1932068A
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US2019761A
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US2128240A
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US2549659A
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US2668978A
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US2967316A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |