Patent US2985498A successfully refreshed from Google Patents.
US2985498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositing system
Assignee: TNC US Holdings Inc
•
Filing: 1957-07-08
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Granted: 1961-05-23
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Expires: 1977-07-08
Abstract
No abstract record available.
Inventors
- 👤 Robert L Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:56
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/61; H04H60/66; H04H60/29; H04H60/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US592880A
Cited
US1168548A
Cited
US1065501A
Cited
US2573279A
Cited
US2617704A
Cited
US2776867A
Cited
US2784049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |