US3301926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating a self-braced concrete form
Assignee: Gateway Erectors Inc
•
Filing: 1964-04-08
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Granted: 1967-01-31
•
Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Frank D Reiland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:32
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1242; E; E04; E04G; E04G13/00; E04G13/02; E04G13/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A METHOD OF FABRICATING A SELF-BRACED FORM ASSEMBLY TO BE USED IN MOLDING A POLYGONAL CONCRETE COLUMN, SAID METHOD COMPRISING: FORMING A TUBULAR ELLIPTICAL SUPPORT SHELL OF LAMINATED PAPER OR LIKE READILY DESTRUCTIBLE MATERIAL WITH A PLURALITY OF APERTURES THEREIN DISTRIBUTED LONGITUDINALLY AND RADIALLY OF THE SHELL; FORMING AN ELONGATED HOLLOW POLYGONAL FORM MEMBER OF LAMINATED PAPER OR LIKE READILY DESTRUCTIBLE MATERIAL HAVING AN INTERNAL CROSS-SECTIONAL CONFIGURATION CONFORMING TO THE REQUIRED COLUMN CONFIGURATION; MOUNTING SAID FORM MEMBER WITHIN SAID SUPPORT SHELL SO THAT THE SUPPORT SHELL IS DISPOSED IN ENCOMPASSING RELATION TO THE FORM MEMBER WITH AN ASYMMETRICAL SPACE THEREBETWEEN, SOME OF SAID APERTURES BEING ALIGNED WITH EACH WALL OF SAID FORM MEMBER; AND FILLING SUBSTANTIALLY ALL OF SAID SPACE THROUGH SAID APERTURES, WITH A LIGHT WEIGHT CELLULAR BRACING MATERIAL HAVING SUBSTANTIAL STRENGTH IN COMPRESSION, FORMED IN SITU IN THE SPACE, TO AFFORD CONTINUOUS BRACING BETWEEN THE FORM MEMBER AND THE SHELL AND COMPLETE A READILY DESTRUCTIBLE FORM ASSEMBLY HAVING THE STRENGTH TO HOLD AND MOLD A COLUMN OF CONCRETE EXTENDING THE FULL HEIGHT OF THE FORM.
Claim 2
Independent Claim
177 words
A METHOD OF FABRICATING A SELF-BRACED FORM ASSEMBLY TO BE USED IN MOLDING A POLYGONAL CONCRETE COLUMN, SAID METHOD COMPRISING: FORMING A TUBULAR ELLIPTICAL SUPPORT SHELL OF LAMINATED PAPER OR LIKE READILY DESTRUCTIBLE MATERIAL WITH A PLURALITY OF APERTURES THEREIN DISTRIBUTED LONGITUDINALLY AND RADIALLY OF THE SHELL; FORMING AN ELONGATED HOLLOW POLYGONAL FORM MEMBER OF LAMINATED PAPER OR LIKE READILY DESTRUCTIBLE MATERIAL HAVING AN INTERNAL CROSS-SECTIONAL CONFIGURATION CONFORMING TO THE REQUIRED COLUMN CONFIGURATION; MOUNTING SAID FORM MEMBER WITHIN SAID SUPPORT SHELL SO THAT THE SUPPORT SHELL IS DISPOSED IN ENCOMPASSING RELATION TO THE FORM MEMBER WITH AN ASYMMETRICAL SPACE THEREBETWEEN, SOME OF SAID APERTURES BEING ALIGNED WITH EACH WALL OF SAID FORM MEMBER; AND FILLING SUBSTANTIALLY ALL OF SAID SPACE THROUGH SAID APERTURES, WITH A LIGHT WEIGHT CELLULAR BRACING MATERIAL HAVING SUBSTANTIAL STRENGTH IN COMPRESSION, FORMED IN SITU IN THE SPACE, TO AFFORD CONTINUOUS BRACING BETWEEN THE FORM MEMBER AND THE SHELL AND COMPLETE A READILY DESTRUCTIBLE FORM ASSEMBLY HAVING THE STRENGTH TO HOLD AND MOLD A COLUMN OF CONCRETE EXTENDING THE FULL HEIGHT OF THE FORM.
References Cited (Backward Citations)
US942169A
Cited
US1670339A
Cited
US2081867A
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FR914970A
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US2798510A
Cited
US2873503A
Cited
GB860391A
Cited
US3036342A
Cited
US2991533A
Cited
US3111569A
Cited
US3007208A
Cited
US3080268A
Cited
US3221085A
Cited
US3137744A
Cited
US3144701A
Cited
US3177271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |