US3378985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete reinforcing bars with deep alveoli
Assignee: Individual
•
Filing: 1963-11-27
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Granted: 1968-04-23
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Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Bugan Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:07
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/02; E04C5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A LONGITUDINALLY GROOVED CONCRETE REINFORCING BAR OF SIX-POINTED STAR SHAPE IN CROSS SECTION INCLUDING TWO PAIRS OF FLANKS SYMMETRICAL TO ONE OF THE LONGEST SYMMETRICAL AXES S-S DECLINING FROM THE SIDES OF THE CIRCUMSCRIBING HEXAGON AT NEARLY 30*, CHARACTERIZED BY FOUR PAIRS OF MAIN FLANKS SYMMETRICAL TO SAID SYMMETRICAL AXIS AND DECLINING AT AN ANGLE GREATER THAN 30* FROM THE SIDES OF THE HEXAGON, AND A PLURALITY OF DIAGONAL RIBS ROLLED IN THE LONGITUDINAL GROOVES OF THE BAR.
Claim 2
Dependent Claim
78 words
A LONGITUDINALLY GROOVED CONCRETE REINFORCING BAR OF SIX-POINTED STAR SHAPE IN CROSS SECTION INCLUDING TWO PAIRS OF FLANKS SYMMETRICAL TO ONE OF THE LONGEST SYMMETRICAL AXES S-S DECLINING FROM THE SIDES OF THE CIRCUMSCRIBING HEXAGON AT NEARLY 30*, CHARACTERIZED BY FOUR PAIRS OF MAIN FLANKS SYMMETRICAL TO SAID SYMMETRICAL AXIS AND DECLINING AT AN ANGLE GREATER THAN 30* FROM THE SIDES OF THE HEXAGON, AND A PLURALITY OF DIAGONAL RIBS ROLLED IN THE LONGITUDINAL GROOVES OF THE BAR.
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |