US2494882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal nut
Assignee: Prestole Corp
•
Filing: 1945-09-19
•
Granted: 1950-01-17
•
Expires: 1965-09-19
Abstract
No abstract record available.
Inventors
- 👤 Harold W Kost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:00
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/02; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10S411/955; Y10S411/965; Y10S411/966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1920792A
Cited
US1885459A
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GB474494A
Cited
USRE22049E
Cited
US2191689A
Cited
US2215560A
Cited
US2169057A
Cited
US2295480A
Cited
US2394491A
Cited
US2377694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |