US2590907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine
Assignee: WILLIAM R DONALDSON
•
Filing: 1947-05-23
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Granted: 1952-04-01
•
Expires: 1967-05-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas Van Tuyl
- 👤 Ackermann Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:35
CPC Classifications
D; D05; D05B; D05B53/00; D05B1/00; D05B1/02; D05B1/06; D05B1/08; D05B1/10; D05B73/00; D05B73/04; D05B73/12; D05B85/00; D05B85/006; D05D; D05D2203/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |