Patent US2723636A successfully refreshed from Google Patents.
US2723636A
Expired / Lapsed
US
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Elastic metering attachment for sewing machines
Assignee: Individual
•
Filing: 1953-02-19
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Granted: 1955-11-15
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Expires: 1973-02-19
Abstract
No abstract record available.
Inventors
- 👤 Galkin Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/06; D05B27/00; D05B27/10; D05B27/14; D05D; D05D2303/00; D05D2303/02; D05D2303/04
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |