US3461280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic microscopic electronic data accumulator
Assignee: Femco Inc
•
Filing: 1965-09-23
•
Granted: 1969-08-12
•
Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Leonard P Vitt
- 👤 Robert M Kendig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:22
CPC Classifications
G; G06; G06M; G06M11/00; G01; G01N; G01N15/00; G01N15/10; G01N15/14; G01N15/1468; G06M11/02; G06M11/04; G06T; G06T7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2661902A
Cited
US2656757A
Cited
US2731202A
Cited
US3214574A
Cited
GB980602A
Cited
US3349227A
Cited
US3345502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |