Patent US5406234A successfully refreshed from Google Patents.
Patent US3413774A successfully refreshed from Google Patents.
US3413774A
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US
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Construction element
Assignee: Individual
•
Filing: 1966-06-27
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Granted: 1968-12-03
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Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Oberreich Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:00
CPC Classifications
B; B27; B27H; B27H1/00; E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1836; E04F11/184; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/046; E04C2003/0473
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |