US2898112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator slips with blushed lacquer coating
Assignee: Dictaphone Corp
•
Filing: 1954-09-01
•
Granted: 1959-08-04
•
Expires: 1974-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Guiles Flower
- 👤 Frederick W Roberts
- 👤 Richard G Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:01
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/10; G11B27/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1002058A
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US1761078A
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US1843947A
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US2072055A
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US2154269A
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US2299991A
Cited
US2637557A
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US2628841A
Cited
US2686676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |