US2826231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw mounting bracket for sheet metal and screw held captive therein
Assignee: Individual
•
Filing: 1953-09-03
•
Granted: 1958-03-11
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Alden Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:17
CPC Classifications
F; F16; F16B; F16B41/00; F16B41/002; F16B23/00; F16B23/0092; F16B35/00; F16B35/04; F16B35/041; F16B23/0007; F16B23/0015; F16B23/003; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/999
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE158599C
Cited
US366158A
Cited
GB125200A
Cited
US1346058A
Cited
US1609772A
Cited
US1911820A
Cited
US2018346A
Cited
US2133465A
Cited
US2140628A
Cited
US2169460A
Cited
GB548653A
Cited
CH226990A
Cited
US2429833A
Cited
US2421172A
Cited
US2556155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |