US3539715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage and reproduction system
Assignee: Individual
•
Filing: 1968-11-21
•
Granted: 1970-11-10
•
Expires: 1988-11-21
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:17
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/0035; G; G06; G06K; G06K17/00; G06K17/0016; G06K17/0019; H04N1/00405; H04N1/00408; H04N2201/00; H04N2201/04; H04N2201/0402; H04N2201/0404
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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |