US2661709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of feeding and orienting sewing hole buttons and machine therefor
Assignee: EMSIG Manufacturing CO
•
Filing: 1950-06-07
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Granted: 1953-12-08
•
Expires: 1970-06-07
Abstract
No abstract record available.
Inventors
- 👤 William A Troll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/12; D05B3/14; D05D; D05D2207/00; D05D2207/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1383438A
Cited
US1903269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |