Patent US1773075A successfully refreshed from Google Patents.
US1773075A
Expired / Lapsed
US
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Sweing machine
Assignee: Union Special Machine Co
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Filing: 1927-05-21
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Granted: 1930-08-12
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Expires: 1947-05-21
Abstract
No abstract record available.
Inventors
- 👤 Norman V Christensen
- 👤 Walter M Hanneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:27
CPC Classifications
D; D05; D05B; D05B1/00; D05B1/08; D05B1/14; D05B57/00; D05B57/02; D05B73/00; D05B73/005
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) | 1933-08-11 | 1934-02-10 | 1934-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-11 | 1938-02-10 | 1938-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-11 | 1942-02-10 | 1942-08-12 | $7700.00 | Window Closed / Lapsed |