US2690147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle cooling device for sewing machines
Assignee: Coats and Clark Inc
•
Filing: 1950-02-07
•
Granted: 1954-09-28
•
Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:41
CPC Classifications
D; D05; D05B; D05B71/00; D05B71/04; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1097403A
Cited
US1686439A
Cited
US2418429A
Cited
US2418483A
Cited
US2442033A
Cited
US2593203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |