US2632509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for operating intermittently upon and in synchronism with a continuously flowing stream of material
Assignee: JB Ehrsam and Sons Manufacturing Co
•
Filing: 1951-03-08
•
Granted: 1953-03-24
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Expires: 1971-03-08
Abstract
No abstract record available.
Inventors
- 👤 Skillman Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:33
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/06; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0207; Y10T83/465; Y10T83/4708; Y10T83/4711; Y10T83/4749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1798929A
Cited
US1996617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |