US3456374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet device for mounting a photographic transparency
Assignee: Max Baermann GmbH
•
Filing: 1967-03-03
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Granted: 1969-07-22
•
Expires: 1987-03-03
Abstract
No abstract record available.
Inventors
- 👤 Max Baermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:10
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/10; G03B; G03B21/00; G03B21/54; G03B21/64; Y; Y10; Y10S; Y10S52/00; Y10S52/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2677910A
Cited
US2697889A
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US2785490A
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US2959832A
Cited
US3150457A
Cited
US3237327A
Cited
US3228133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |