US3074209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precast reinforced concrete construction
Assignee: CEMENSTONE CORP
•
Filing: 1957-09-17
•
Granted: 1963-01-22
•
Expires: 1977-09-17
Abstract
No abstract record available.
Inventors
- 👤 Henderson Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:24
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/20; E04B1/21; E04B1/215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A FRAME-WORK FOR A BUILDING THAT COMPRISES CONTINUOUS GIRDERS EACH OF WHICH INCLUDES A PAIR OF AXIALLYALIGNED PRECAST REINFORCED CONCRETE UNITS PLACED IN ENDTO-END ABUTTING ENGAGEMENT, THE ABUTTING ENDS HAVING VERTICALLY NOTCHED AREAS INTERMEDIATE THE SIDE FACES OF THE UNITS, A COLUMN EXTENDING VERTICALLY THROUGH THE NOTCHED AREAS AT THE ABUTTING ENDS OF EACH PAIR OF UNITS, A PRIMARY LONGITUDINALLY-EXTENDING REINFORCING BAR IMBEDDED IN THE CONCRETE OF EACH UNIT, ADJACENT TO EACH SIDE OF ITS NOTCHED AREA, THE END FACE OF EACH BAR OF ONE UNIT SUBSTANTIALLY ABUTTING THE END FACE OF A BAR IN THE ADJACENT UNIT AND BEING RIGIDLY SECURED THERETO.
Claim 2
Dependent Claim
103 words
A FRAME-WORK FOR A BUILDING THAT COMPRISES CONTINUOUS GIRDERS EACH OF WHICH INCLUDES A PAIR OF AXIALLYALIGNED PRECAST REINFORCED CONCRETE UNITS PLACED IN ENDTO-END ABUTTING ENGAGEMENT, THE ABUTTING ENDS HAVING VERTICALLY NOTCHED AREAS INTERMEDIATE THE SIDE FACES OF THE UNITS, A COLUMN EXTENDING VERTICALLY THROUGH THE NOTCHED AREAS AT THE ABUTTING ENDS OF EACH PAIR OF UNITS, A PRIMARY LONGITUDINALLY-EXTENDING REINFORCING BAR IMBEDDED IN THE CONCRETE OF EACH UNIT, ADJACENT TO EACH SIDE OF ITS NOTCHED AREA, THE END FACE OF EACH BAR OF ONE UNIT SUBSTANTIALLY ABUTTING THE END FACE OF A BAR IN THE ADJACENT UNIT AND BEING RIGIDLY SECURED THERETO.
References Cited (Backward Citations)
GB134591A
Cited
CA467791A
Cited
US1031079A
Cited
US1031044A
Cited
US1045520A
Cited
US1205465A
Cited
FR540392A
Cited
FR708726A
Cited
US2413562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |