US2969793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension file element with indicia carrier
Assignee: Rud Fürrer Söhne AG
•
Filing: 1954-08-18
•
Granted: 1961-01-31
•
Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Werner H Furrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:37
CPC Classifications
B; B42; B42F; B42F21/00; B42F21/04; B42F21/045; B42F15/00; B42F15/0011; B42F15/0017; B42F15/0023; B42F15/0041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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CH292429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |