US2802436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread positioning means for button sewing machines
Assignee: AMF Inc
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Filing: 1955-04-01
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Granted: 1957-08-13
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Expires: 1975-04-01
Abstract
No abstract record available.
Inventors
- 👤 John H Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:21
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/12; D05B3/14; D05B85/00; D05B85/003; D05D; D05D2207/00; D05D2207/02; D05D2305/00; D05D2305/02; D05D2305/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |