US3341027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite demountable metal and wood shelving
Assignee: Mackin Venetian Blind Co
•
Filing: 1965-09-30
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Granted: 1967-09-12
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry Mackin
- 👤 James F Mackin
- 👤 Mackin Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:19
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/06; A47B57/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A DEMOUNTABLE SHELVING STRUCTURE INCLUDING OPPOSED PAIRS OF CONNECTED FRONT AND REAR VERTICALLY DISPOSED PARALLEL APERTURED CHANNEL SHAPED METAL COLUMNS, SHELVES SUPPORTED BETWEEN EACH PAIR OF FRONT AND REAR COLUMNS, METAL ANGLE PIECES BOUNDING THE OPPOSITE ENDS OF EACH SHELF, INCLUDING A PLATE EXTENDING HORIZONTALLY BENEATH AND IN CONTACT WITH THE LOWER SIDE OF THE SHELF, A CLIP INTERLOCKING WITH AND SLIDABLY MOVABLE ON THE PLATE HAVING A DOWNWARDLY EXTENDING FLANGE OR LUG OF SUCH SIZE AS TO PENETRATE THE APERTURE IN THE COLUMN AND INTERLOCK WITH IT,
Claim 2
Dependent Claim
88 words
A DEMOUNTABLE SHELVING STRUCTURE INCLUDING OPPOSED PAIRS OF CONNECTED FRONT AND REAR VERTICALLY DISPOSED PARALLEL APERTURED CHANNEL SHAPED METAL COLUMNS, SHELVES SUPPORTED BETWEEN EACH PAIR OF FRONT AND REAR COLUMNS, METAL ANGLE PIECES BOUNDING THE OPPOSITE ENDS OF EACH SHELF, INCLUDING A PLATE EXTENDING HORIZONTALLY BENEATH AND IN CONTACT WITH THE LOWER SIDE OF THE SHELF, A CLIP INTERLOCKING WITH AND SLIDABLY MOVABLE ON THE PLATE HAVING A DOWNWARDLY EXTENDING FLANGE OR LUG OF SUCH SIZE AS TO PENETRATE THE APERTURE IN THE COLUMN AND INTERLOCK WITH IT,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |