US2492347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Progressive electronic bonding machine using stray fields
Assignee: United Shoe Machinery Corp
•
Filing: 1946-06-22
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Granted: 1949-12-27
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Expires: 1966-06-22
Abstract
No abstract record available.
Inventors
- 👤 Merwin F Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:04
CPC Classifications
A; A43; A43D; A43D8/00; A43D8/32; A43D8/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2270891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |