US3512151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital conversion systems
Assignee: VITRO Corp A CORP OF DE
•
Filing: 1966-02-01
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Granted: 1970-05-12
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Seymour I Finkel
- 👤 Warren M Janes
- 👤 Ragnar N Nilsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:38
CPC Classifications
G; G06; G06J; G06J1/00; H; H03; H03M; H03M1/00; H03M1/12; H03M1/48; H03M1/485
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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |