Patent GB2000609B successfully refreshed from Google Patents.
US3473246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data recording device
Assignee: DANIEL M PAROBEK
•
Filing: 1967-05-03
•
Granted: 1969-10-21
•
Expires: 1987-05-03
Abstract
No abstract record available.
Inventors
- 👤 Daniel M Parobek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:03
CPC Classifications
G; G09; G09F; G09F5/00; G09F5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE554569C
Cited
GB189504247A
Cited
US668900A
Cited
US814871A
Cited
GB190627472A
Cited
US914345A
Cited
US968204A
Cited
US1180141A
Cited
US1263589A
Cited
US1588185A
Cited
US1974515A
Cited
US2111780A
Cited
DE681972C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |