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US2326296A
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Machine for sealing receptacles
Assignee: AT&T Inc
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Filing: 1940-06-15
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Granted: 1943-08-10
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Expires: 1960-06-15
Abstract
No abstract record available.
Inventors
- 👤 Henry C Harrison
- 👤 John B Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:41
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/0006; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/28; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0044
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) | 1946-08-09 | 1947-02-08 | 1947-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-09 | 1951-02-08 | 1951-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-09 | 1955-02-08 | 1955-08-10 | $7700.00 | Window Closed / Lapsed |