US2475743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for guiding thin film bands
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-07-03
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Granted: 1949-07-12
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Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 Haringx Johannes Adrianus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:26
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G03; G03B; G03B1/00; G03B1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2012130A
Cited
US2102895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |