US2675896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural element
Assignee: Individual
•
Filing: 1948-09-09
•
Granted: 1954-04-20
•
Expires: 1968-09-09
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Van Pelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:04
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C3/07; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/043; E04C2003/0443; E04C2003/0447; E04C2003/0465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR743672A
Cited
US1906096A
Cited
US1900541A
Cited
US2095443A
Cited
US2171540A
Cited
US2457147A
Cited
US2425798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |