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US3421170A
Expired / Lapsed
US
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Jacketed roller-type lint remover
Assignee: FRANK S THOMAS JR
•
Filing: 1967-06-20
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Granted: 1969-01-14
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Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 Frank S Thomas Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:48
CPC Classifications
A; A47; A47L; A47L25/00; A47L25/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1705998A
Cited
US2401842A
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US2530746A
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US3029453A
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US3148398A
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US3283892A
Cited
US3342325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |