US3413146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic recording medium
Assignee: International Business Machines Corp
•
Filing: 1964-09-02
•
Granted: 1968-11-26
•
Expires: 1984-09-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert R Anderson
- 👤 Levine Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/80; H04N5/82; G; G03; G03G; G03G5/00; G03G5/02; G03G5/022; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S430/00; Y10S430/143; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2499526A
Cited
US2656334A
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US2985866A
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US2989420A
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US3118786A
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US3118787A
Cited
US3317315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |