US2612855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
French seaming attachment for sewing machines
Assignee: Singer Co
•
Filing: 1949-07-26
•
Granted: 1952-10-07
•
Expires: 1969-07-26
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Sailer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:54
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/06; D05B35/062; D05B29/00; D05B29/06; D05B73/00; D05B73/04; D05B73/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US192568A
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US480260A
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US1347503A
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US2070200A
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US2126507A
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US2337503A
Cited
US2348690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |