US2641870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous tube crack-off machine
Assignee: Individual
•
Filing: 1950-12-06
•
Granted: 1953-06-16
•
Expires: 1970-12-06
Abstract
No abstract record available.
Inventors
- 👤 Eisler Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:55
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/09; C03B33/095; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/304; Y10T225/371
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE92761C
Cited
DE288197C
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US684686A
Cited
US894019A
Cited
US1546352A
Cited
US2169455A
Cited
US2297149A
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US2410931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |