US3478364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recorder having distinguishable records
Assignee: Fritz Hellige und Co GmbH
•
Filing: 1968-07-02
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Granted: 1969-11-11
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Expires: 1988-07-02
Abstract
No abstract record available.
Inventors
- 👤 Manfred H Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:28
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/316; A61B5/318; A61B5/333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2663855A
Cited
US3374485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |