US3520048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of and apparatus for loading and unloading groups of articles into and from an assembly machine
Assignee: AT&T Inc
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Filing: 1968-06-17
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Granted: 1970-07-14
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Expires: 1988-06-17
Abstract
No abstract record available.
Inventors
- 👤 Werner F Esseluhn
- 👤 Charles R Fegley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:41
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/46; H01J2893/00; H01J2893/0096; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/49826; Y10T29/49828; Y10T29/53; Y10T29/53478
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |