US3636985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular steel sheeting
Assignee: Individual
•
Filing: 1970-03-16
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Granted: 1972-01-25
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Expires: 1990-03-16
Abstract
Abstract Tubular material having a longitudinal opening for the passage of an auger or other devices. This tubular structure includes side pieces of a desired width which are set at the center of the longitudinal opening of the sheeting and may be used for various purposes.
Inventors
- 👤 Keith L Burchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:37
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A tubular sheeting construction, comprising in combination, an elongated sheet of rectangular configuration, one longitudinal side edge of said sheet having a bead of cross sectionally round configuration, the other longitudinal side edge of said sheet having a circular channel formed, the circular channel having an opening being of a diametrical size that is equivalent to the diametrical size of said bead, said elongated sheet having a central tube formed along a longitudinal center thereof for purpose of receiving a rod, auger or other instrument, said central tube thus divIding said sheet into rectangular side areas, said sheet being provided with a pair of longitudinal extending bends, one of said bends being on each of said rectangular side areas of said sheet, said bends being bent upwardly at 60* so to divide said sheet into three flat panels with the center of said panels having said longitudinal tube, and said construction being engageable with another like said construction by slideably fitting said bead and channel with a channel and bead respectfully of the other said construction so to form a hexagonal type construction, and means at the end of said pipe construction for interfit with the end of other like pipe constructions.
Claim 2
Dependent Claim
202 words
A tubular sheeting construction, comprising in combination, an elongated sheet of rectangular configuration, one longitudinal side edge of said sheet having a bead of cross sectionally round configuration, the other longitudinal side edge of said sheet having a circular channel formed, the circular channel having an opening being of a diametrical size that is equivalent to the diametrical size of said bead, said elongated sheet having a central tube formed along a longitudinal center thereof for purpose of receiving a rod, auger or other instrument, said central tube thus divIding said sheet into rectangular side areas, said sheet being provided with a pair of longitudinal extending bends, one of said bends being on each of said rectangular side areas of said sheet, said bends being bent upwardly at 60* so to divide said sheet into three flat panels with the center of said panels having said longitudinal tube, and said construction being engageable with another like said construction by slideably fitting said bead and channel with a channel and bead respectfully of the other said construction so to form a hexagonal type construction, and means at the end of said pipe construction for interfit with the end of other like pipe constructions.
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |