US2319191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment holder for sewing machines
Assignee: Singer Co
•
Filing: 1941-10-03
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Granted: 1943-05-11
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Expires: 1961-10-03
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Sailer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:52
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/06; D05B35/062; D05B73/00; D05B73/04; D05B73/12
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) | 1946-05-10 | 1946-11-09 | 1947-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-10 | 1950-11-09 | 1951-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-10 | 1954-11-09 | 1955-05-11 | $7700.00 | Window Closed / Lapsed |