US2254794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding mechanism for sewing machines
Assignee: Singer Co
•
Filing: 1939-11-14
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Granted: 1941-09-02
•
Expires: 1959-11-14
Abstract
No abstract record available.
Inventors
- 👤 Frederic M Card
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:21
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/08; D; D05; D05B; D05B19/00; D05B27/00; D05B27/02; D05B3/00; D05B3/02; D05B57/00
Claims Analysis
Total Claims: 0
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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) | 1944-09-01 | 1945-03-03 | 1945-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-01 | 1949-03-03 | 1949-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-01 | 1953-03-03 | 1953-09-02 | $7700.00 | Window Closed / Lapsed |