Patent US2989013A successfully refreshed from Google Patents.
US2989013A
Expired / Lapsed
US
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Sewing machines
Assignee: Singer Co
•
Filing: 1957-09-26
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Granted: 1961-06-20
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Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Mcgill
- 👤 Kenneth W Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:20
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/06; D05B3/08; D05D; D05D2205/00; D05D2205/32; D05D2207/00; D05D2207/02
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |