US3283459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforated grain bin floor
Assignee: Butler Manufacturing Co
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Filing: 1965-04-15
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Granted: 1966-11-08
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Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Emil L Beranek
- 👤 Ronald J Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:40
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/742
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A FLOOR SUPPORTING JOINT CONSTRUCTION COMPRISING A PAIR OF ELONGATE FLAT METAL SHEETS, EACH SAID SHEET TAPERING FROM A GREATER WIDTH OUTWARDLY TO A LESSER WIDTH INWARDLY THEREOF, EACH SAID SHEET HAVING AT LEAST ONE DOWN TURNED ELONGATE SIDE EDGE THEREON EXTENDING SUBSTANTIALLY NORMAL THERETO, AN ELONGATE TROUGH MEMBE T-SHAPED IN TRANSVERSE CROSS SECTION RECEIVING THEREWITHIN, IN SUBSTANTIAL PARALLEL, SIDE FACE, FLAT ABUTTING RELATIONSHIP, THE DOWN TURNED ELONGATE SIDE EDGES OF SAID PAIR OF SHEETS ALONG THE SUBSTANTIAL LENGTH OF THE ABUTTING DOWN TURNED EDGES THEREOF, AND A PLURALITY OF FLOOR PANEL SUPPORTING COLUMN MEMBERS SPACED AT INTERVALS ALONG AND UNDER SAID PANEL SIDE EDGE JOINT, SAID COLUMN MEMBERS BEING V-SHAPED IN HORIZONTAL SECTION, THE MEMBERS HAVING ALIGNED GROOVES IN THE UPPER SURFACE EACH RECEIVING THE LOWER OUTER SURFACE PORTION OF SAID TROUGH MEMBER IN ENGAGING POSITION FIXING FASHION THEREWITHIN.
Claim 2
Dependent Claim
140 words
A FLOOR SUPPORTING JOINT CONSTRUCTION COMPRISING A PAIR OF ELONGATE FLAT METAL SHEETS, EACH SAID SHEET TAPERING FROM A GREATER WIDTH OUTWARDLY TO A LESSER WIDTH INWARDLY THEREOF, EACH SAID SHEET HAVING AT LEAST ONE DOWN TURNED ELONGATE SIDE EDGE THEREON EXTENDING SUBSTANTIALLY NORMAL THERETO, AN ELONGATE TROUGH MEMBE T-SHAPED IN TRANSVERSE CROSS SECTION RECEIVING THEREWITHIN, IN SUBSTANTIAL PARALLEL, SIDE FACE, FLAT ABUTTING RELATIONSHIP, THE DOWN TURNED ELONGATE SIDE EDGES OF SAID PAIR OF SHEETS ALONG THE SUBSTANTIAL LENGTH OF THE ABUTTING DOWN TURNED EDGES THEREOF, AND A PLURALITY OF FLOOR PANEL SUPPORTING COLUMN MEMBERS SPACED AT INTERVALS ALONG AND UNDER SAID PANEL SIDE EDGE JOINT, SAID COLUMN MEMBERS BEING V-SHAPED IN HORIZONTAL SECTION, THE MEMBERS HAVING ALIGNED GROOVES IN THE UPPER SURFACE EACH RECEIVING THE LOWER OUTER SURFACE PORTION OF SAID TROUGH MEMBER IN ENGAGING POSITION FIXING FASHION THEREWITHIN.
References Cited (Backward Citations)
US2901960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |