US2908420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article feeding apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1956-12-20
•
Granted: 1959-10-13
•
Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Hoffmann
- 👤 Henrietta M Rehberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:05
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/46; H01J2893/00; H01J2893/0096; H01J2893/0097
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1906098A
Cited
US1400290A
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US1615137A
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US2637144A
Cited
US2494227A
Cited
US2657812A
Cited
US2632588A
Cited
US2760679A
Cited
US2764800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |