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Patent US2539627A successfully refreshed from Google Patents.
US2539627A
Expired / Lapsed
US
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Control mechanism for sewing machines
Assignee: Bemis Brothers Bag Co
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Filing: 1949-10-15
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Granted: 1951-01-30
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Expires: 1969-10-15
Abstract
No abstract record available.
Inventors
- 👤 Harold V Kindseth
- 👤 Jr Jean E Zeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:51
CPC Classifications
D; D05; D05B; D05B13/00; D05B13/02
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) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |