US3487390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic protective cover for an interchangeable disc assembly
Assignee: NCR Voyix Corp
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Filing: 1966-11-25
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Granted: 1969-12-30
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Stephen R Klinger
- 👤 Herman A De Nunzio
- 👤 Demosthenis Chryssopoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:48
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/02; H01B11/00; H01B11/002; H01B11/02; H01B11/12; H01B13/0228; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49194; Y10T29/49201; Y10T29/53; Y10T29/5313; Y10T29/532; Y10T29/53243
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |