US2662494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shirring attachment for sewing machines
Assignee: S & W Sewing Machine Attachmen
•
Filing: 1949-11-22
•
Granted: 1953-12-15
•
Expires: 1969-11-22
Abstract
No abstract record available.
Inventors
- 👤 Seaman Charles
- 👤 Edward L Seaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:09
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/08; D05B35/02; D05B29/00; D05B29/06; D05D; D05D2203/00; D05D2305/00; D05D2305/02; D05D2305/04
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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |