US2652796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blind stitch attachment for sewing machines
Assignee: Greist Manufacturing Co
•
Filing: 1951-01-12
•
Granted: 1953-09-22
•
Expires: 1971-01-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:33
CPC Classifications
D; D05; D05B; D05B1/00; D05B1/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |