US2318385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uncurling guide for sewing machines
Assignee: Singer Co
•
Filing: 1941-03-22
•
Granted: 1943-05-04
•
Expires: 1961-03-22
Abstract
No abstract record available.
Inventors
- 👤 Hacklander Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:34
CPC Classifications
D; D05; D05B; D05B27/00; D05B27/10; D05B27/18; D05B27/185; D05D; D05D2305/00; D05D2305/02; D05D2305/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-05-03 | 1946-11-02 | 1947-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-03 | 1950-11-02 | 1951-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-03 | 1954-11-02 | 1955-05-04 | $7700.00 | Window Closed / Lapsed |