US2833233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zigzag sewing machines
Assignee: Singer Co
•
Filing: 1954-05-27
•
Granted: 1958-05-06
•
Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Amico Anthony F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:45
CPC Classifications
D; D05; D05B; D05B19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1023314A
Cited
US1611372A
Cited
US2297197A
Cited
DE716821C
Cited
FR964864A
Cited
US2653557A
Cited
US2669204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |