US3425474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic nut fastening means
Assignee: Individual
•
Filing: 1966-10-31
•
Granted: 1969-02-04
•
Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Natale Tummarello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:13
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B35/041; F16B35/044; E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4107; F16B33/00; F16B33/006; F16B37/00; F16B37/04; H; H01; H01F; H01F7/00; H01F7/02; H01F7/0231; H01F7/0252; F16B2200/00; F16B2200/83; F16B37/045; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL78362C
Cited
US262193A
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US447775A
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US1071841A
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US2429833A
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US2737268A
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US3119430A
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US2962317A
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US3235917A
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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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |