US2977913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sewing parallel rows of zigzag stitches
Assignee: GM Pfaff AG
•
Filing: 1957-02-13
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Granted: 1961-04-04
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Expires: 1977-02-13
Abstract
No abstract record available.
Inventors
- 👤 Emerich Schenkengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:01
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/02; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/224; C07F9/547; C07F9/553; C07F9/564; C07F9/6527; C07F9/6533; C08; C08K; C08K5/00; C08K5/49; C10; C10M; C10M137/00; C10M137/12; C10M137/16; D05B29/00; D05B29/06; D05B3/06; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; G; G01; G01P; G01P1/00; G01P1/12; G01P1/122; G01P1/125; H; H04; H04L; H04L21/00; H04L21/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2223/00; C10M2223/02; C10M2223/049; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10; D10; D10B; D10B2501/00; D10B2501/06; D10B2501/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |