US3461827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic blind stitch sewing machine
Assignee: J Strobel & Soehne
•
Filing: 1966-09-02
•
Granted: 1969-08-19
•
Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Alfons Strobel
- 👤 Lothar Sommerschuh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:39
CPC Classifications
D; D05; D05B; D05B1/00; D05B1/24; D05B65/00; D05B85/00; D05B85/06; D05D; D05D2205/00; D05D2205/32; D05D2207/00; D05D2207/05; D05D2207/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2627828A
Cited
US2837046A
Cited
US2874661A
Cited
US3100468A
Cited
US3156203A
Cited
US3263632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |