US3274305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming concrete roofs
Assignee: Individual
•
Filing: 1965-10-22
•
Granted: 1966-09-20
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Short
- 👤 Bldg Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:40
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/36; E04G11/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A METHOD OF FORMING A CONCRETE ROOF BY MEANS OF A TRAILER HAVING A PAIR OF LONGITUDINALLY DISPOSED UPWARDLY EXTENDING SUPPORT MEMBERS OPERATIVELY SECURED AT THEIR BASES TO THE TRAILER AND HAVING A LONGITUDINAL BAR EXTENDING BETWEEN THE UPPER ENDS OF THE SUPPORT MEMBERS WITH A PAIR OF ROOF FORMS PIVOTALLY CONNECTED TO THE LONGITUDDINAL BAR WHEREIN THE ROOF FORMS ASSUME A PREDETERMINED AXIS IRRESPECTIVE OF THE ALIGNMENT OF THE TRAILER WITH RESPECT TO THAT AXIS COMPISING STEPS OF: TRANSPORTING THE TRAILER TO A BUILDING SITE WITH THE ROOF FORMS IN A COLLAPSED TRANSPORTING POSITION OPERATIVELY AND PIVOTALLY CONNECTED TO THE TRAILER, THE AXIS OF THE TRAILER BEING DISPOSED FROM THE PREDETERMINED CENTRAL AXIS OF THE ROOF FORMS; STABLY SUPPORTING THE TRAILER ON THE GROUND; LATERALLY ADJUSTING WITH RESPECT TO THE TRAILER THE UPPER END OF AT LEAST ONE SUPPER ONE SUPPPORT MEMBER INDEPENDENTLY OF THE UPPER END OF THE OTHER SUPPORT MEMBER OF AS TO LATERALLY ALIGN THE CENTRAL AXIS OF THE ROOF FORMS AS DEFINED BY TTHE LONGITUDINAL BAR IRRESPECTIVE OF THE LATERAL MISALIGNMENT OF THE TRAILER AT THE BUILDING SITE; SUPPORTING THE ROOF FORMS ON TTHE TRAILER WHILE MOVING THE ROOF FORMS INTO AN UPWARDLY EXTENDED OOSITION OF SUPPORT; AND POURING CONCRETE ON THE UPPER SURFACE OF THE ROOF FORMS TO FORM A CONCRETE ROOF.
Claim 2
Independent Claim
218 words
A METHOD OF FORMING A CONCRETE ROOF BY MEANS OF A TRAILER HAVING A PAIR OF LONGITUDINALLY DISPOSED UPWARDLY EXTENDING SUPPORT MEMBERS OPERATIVELY SECURED AT THEIR BASES TO THE TRAILER AND HAVING A LONGITUDINAL BAR EXTENDING BETWEEN THE UPPER ENDS OF THE SUPPORT MEMBERS WITH A PAIR OF ROOF FORMS PIVOTALLY CONNECTED TO THE LONGITUDDINAL BAR WHEREIN THE ROOF FORMS ASSUME A PREDETERMINED AXIS IRRESPECTIVE OF THE ALIGNMENT OF THE TRAILER WITH RESPECT TO THAT AXIS COMPISING STEPS OF: TRANSPORTING THE TRAILER TO A BUILDING SITE WITH THE ROOF FORMS IN A COLLAPSED TRANSPORTING POSITION OPERATIVELY AND PIVOTALLY CONNECTED TO THE TRAILER, THE AXIS OF THE TRAILER BEING DISPOSED FROM THE PREDETERMINED CENTRAL AXIS OF THE ROOF FORMS; STABLY SUPPORTING THE TRAILER ON THE GROUND; LATERALLY ADJUSTING WITH RESPECT TO THE TRAILER THE UPPER END OF AT LEAST ONE SUPPER ONE SUPPPORT MEMBER INDEPENDENTLY OF THE UPPER END OF THE OTHER SUPPORT MEMBER OF AS TO LATERALLY ALIGN THE CENTRAL AXIS OF THE ROOF FORMS AS DEFINED BY TTHE LONGITUDINAL BAR IRRESPECTIVE OF THE LATERAL MISALIGNMENT OF THE TRAILER AT THE BUILDING SITE; SUPPORTING THE ROOF FORMS ON TTHE TRAILER WHILE MOVING THE ROOF FORMS INTO AN UPWARDLY EXTENDED OOSITION OF SUPPORT; AND POURING CONCRETE ON THE UPPER SURFACE OF THE ROOF FORMS TO FORM A CONCRETE ROOF.
References Cited (Backward Citations)
US984216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |