US3051797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducing system
Assignee: 3M Co
•
Filing: 1959-03-09
•
Granted: 1962-08-28
•
Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:29
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2709204A
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US2794066A
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US2683856A
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US2878321A
Cited
GB762699A
Cited
US2762861A
Cited
US2921989A
Cited
US2751439A
Cited
US2937239A
Cited
US2902251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |