US2778328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable sewing-machine
Assignee: Individual
•
Filing: 1954-10-19
•
Granted: 1957-01-22
•
Expires: 1974-10-19
Abstract
No abstract record available.
Inventors
- 👤 Doyen Leon
- 👤 Doyen Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:57
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B65B51/07; D; D05; D05B; D05B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |