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US2335827A
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Article attaching machine
Assignee: Singer Co
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Filing: 1942-01-07
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Granted: 1943-11-30
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Expires: 1962-01-07
Abstract
No abstract record available.
Inventors
- 👤 Gunther Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:27
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/12; D05B3/16; D05B65/00; D05B57/00; D05B73/00; D05B73/04; D05B73/12; D05D; D05D2303/00; D05D2303/12; D05D2303/14; D05D2303/16
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) | 1946-11-29 | 1947-05-31 | 1947-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-29 | 1951-05-31 | 1951-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-29 | 1955-05-31 | 1955-11-30 | $7700.00 | Window Closed / Lapsed |