Patent US2428958A successfully refreshed from Google Patents.
US2428958A
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Assembling apparatus
Assignee: AT&T Inc
•
Filing: 1944-07-25
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Granted: 1947-10-14
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Expires: 1964-07-25
Abstract
No abstract record available.
Inventors
- 👤 Edward J Bohaboy
- 👤 Henbert C Grupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:40
CPC Classifications
H; H01; H01J; H01J23/00; H01J19/00; H01J19/42; H01J19/46; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/49018; Y10T29/49826; Y10T29/49895; Y10T29/53; Y10T29/53087; Y10T29/53961; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56245
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |