US2760458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine
Assignee: White Sewing Machine Corp
•
Filing: 1953-10-07
•
Granted: 1956-08-28
•
Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Waldemar A Ayres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:34
CPC Classifications
D; D05; D05B; D05B47/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US413657A
Cited
US1029923A
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US1129945A
Cited
US1167823A
Cited
US1470646A
Cited
US1534264A
Cited
US2000613A
Cited
US2622476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |