US3071315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan attachment for sewing machines
Assignee: Individual
•
Filing: 1961-07-11
•
Granted: 1963-01-01
•
Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Alis Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:15
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/325; D; D05; D05B; D05B81/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1957237A
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US2309894A
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US2385070A
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US2378049A
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FR1019985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |