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US2485449A
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US
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Welt-cutting machine
Assignee: Individual
•
Filing: 1948-01-12
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Granted: 1949-10-18
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Expires: 1968-01-12
Abstract
No abstract record available.
Inventors
- 👤 Kirsch Isidore
- 👤 Korenman Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:53
CPC Classifications
A; A42; A42C; A42C1/00; A42C1/02; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6579; Y10T83/6584; Y10T83/66; Y10T83/6656; Y10T83/768; Y10T83/7684; Y10T83/7793
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2142079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |