US2593090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a seam for uniting plies of sheet material
Assignee: Singer Co
•
Filing: 1950-09-15
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Granted: 1952-04-15
•
Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Frank J Bartosz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:25
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C65/00; B29C65/48; B29C65/4895; B29C65/50; B29C65/5007; B29C65/5035; B29C65/5092; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C66/83423; B29C70/00; B29C70/58; Y; Y10; Y10T; Y10T156/00; Y10T156/19; Y10T156/1928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923837A
Cited
US2500053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |