Patent US2158112A successfully refreshed from Google Patents.
USRE22758E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: —
•
Filing: —
•
Granted: 1946-05-21
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Expires: 1963-05-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:56
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0835; E04F13/0803; E04F13/081; E04F13/0821; E04F13/0823; E04F13/0846; E04F13/085; E04F15/00; E04F15/02; E04F15/08; F; F16; F16B; F16B15/00; F16B15/04; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10S411/00; Y10S411/921; Y10T; Y10T24/00; Y10T24/49; Y10T24/492; Y10T24/497; Y10T24/498
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-20 | 1949-11-19 | 1950-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-20 | 1953-11-19 | 1954-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-20 | 1957-11-19 | 1958-05-21 | $7700.00 | Window Closed / Lapsed |