Patent US2352339A successfully refreshed from Google Patents.
US2352339A
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Apparatus for blanking materials
Assignee: AT&T Inc
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Filing: 1942-09-04
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Granted: 1944-06-27
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Expires: 1962-09-04
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel M Olney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:04
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0363; Y10T83/869; Y10T83/8821; Y10T83/8828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-06-27 | 1947-12-27 | 1948-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-27 | 1951-12-27 | 1952-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-27 | 1955-12-27 | 1956-06-27 | $7700.00 | Window Closed / Lapsed |