Patent US2157368A successfully refreshed from Google Patents.
US2157368A
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Machine for forming seams
Assignee: Willcox and Gibbs Sewing Machine Co
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Filing: 1934-11-10
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Granted: 1939-05-09
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Expires: 1954-11-10
Abstract
No abstract record available.
Inventors
- 👤 John P Weis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:38
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/06; D05B25/00; D05D; D05D2205/00; D05D2205/32; D05D2207/00; D05D2207/05; D05D2207/06; D05D2303/00; D05D2303/02; D05D2303/04; D05D2305/00; D05D2305/02; D05D2305/04; D10; D10B; D10B2501/00; D10B2501/04; D10B2501/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |