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US2803207A
Expired / Lapsed
US
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Electro-mechanical transmission system for sewing machines
Assignee: Individual
•
Filing: 1953-08-26
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Granted: 1957-08-20
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Expires: 1973-08-26
Abstract
No abstract record available.
Inventors
- 👤 Sotzky Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:41
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/08; D05B35/085; D05D; D05D2303/00; D05D2303/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US239189A
Cited
US344872A
Cited
US579511A
Cited
US1849019A
Cited
US1984330A
Cited
US2244424A
Cited
US2584013A
Cited
US2684650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |