US2891506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the deposit of a coating on a flexible band and in particular for the deposit of magnetic sound tracks on cinematographic films
Assignee: PYRAL SA
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Filing: 1955-11-16
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Granted: 1959-06-23
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Expires: 1975-11-16
Abstract
No abstract record available.
Inventors
- 👤 Saint-Hilaire Albert Barbier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:43
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/84; G11B5/842; G11B5/62; G11B5/633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-22 | 1962-12-22 | 1963-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-22 | 1966-12-22 | 1967-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-22 | 1970-12-22 | 1971-06-23 | $7700.00 | Window Closed / Lapsed |