US3233383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacing support for reinforcing bars
Assignee: Individual
•
Filing: 1962-06-07
•
Granted: 1966-02-08
•
Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Salm Mathias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16; E04C5/20; E04C5/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US795463A
Cited
US2462399A
Cited
US2483560A
Cited
DE848696C
Cited
DE954551C
Cited
US3008256A
Cited
FR1229466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |