US2809411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic fastener
Assignee: LEO MARKOFF MOGHADAM
•
Filing: 1954-12-27
•
Granted: 1957-10-15
•
Expires: 1974-12-27
Abstract
No abstract record available.
Inventors
- 👤 Moghadam Leon Marcoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/02; A44B19/04; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T24/00; Y10T24/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1230740A
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US2389298A
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US2475226A
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US2557398A
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US2615227A
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US2648884A
Cited
US2627097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |