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US1707068A
Expired / Lapsed
US
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Stitch-forming mechanism for sewing machines
Assignee: Union Special Machine Co
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Filing: 1927-01-29
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Granted: 1929-03-26
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Expires: 1947-01-29
Abstract
No abstract record available.
Inventors
- 👤 Charles F Rubel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:49
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/02; D05B73/00; D05B73/04; D05B73/12; D05D; D05D2303/00; D05D2303/08
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) | 1932-03-25 | 1932-09-24 | 1933-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-25 | 1936-09-24 | 1937-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-25 | 1940-09-24 | 1941-03-26 | $7700.00 | Window Closed / Lapsed |