US2823574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-tapping fastener
Assignee: Individual
•
Filing: 1954-08-09
•
Granted: 1958-02-18
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Rosan Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:31
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B35/041; F16B35/044; F16B25/00; F16B25/0036; F16B25/0078; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938; Y10T; Y10T408/00; Y10T408/89; Y10T408/904; Y10T408/9042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US226450A
Cited
US1905665A
Cited
US2093171A
Cited
US2190174A
Cited
US2400318A
Cited
US2455885A
Cited
GB668818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |