US2580099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double magnetic holding device
Assignee: Individual
•
Filing: 1949-08-09
•
Granted: 1951-12-25
•
Expires: 1969-08-09
Abstract
No abstract record available.
Inventors
- 👤 Clemens O Jaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:45
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/04; Y; Y10; Y10S; Y10S206/00; Y10S206/818; Y10S211/00; Y10S211/01; Y10S33/00; Y10S33/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US361248A
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US2275904A
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US2277057A
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US2448692A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |