US3542012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for recording recurring events
Assignee: Individual
•
Filing: 1967-06-29
•
Granted: 1970-11-24
•
Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Christian Frieberger
- 👤 Heinrich Malczynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:32
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/22; A61B5/221; A61B5/222; A61B5/0002; A61B5/02; A61B5/021; A61B5/022; A61B5/024; A61B5/0255; Y; Y10; Y10S; Y10S128/00; Y10S128/903; Y10S482/00; Y10S482/901; Y10S482/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |