Patent US4928441A successfully refreshed from Google Patents.
US4928441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attic access stairway cover
Assignee: Individual
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Filing: 1989-07-31
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Granted: 1990-05-29
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Expires: 2009-07-31
Abstract
Abstract A box-shaped enclosure, open on its bottom, pivotally mounted over an attic access stairway, so a foldable, downward stairway mounted in the opening, may be upwardly raised and stored therewithin.
Inventors
- 👤 John G. Daley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:16
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/04; E04F11/06; E04F11/062
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
137 words
An attic access stairway cover, comprising in combination, an inverted tub-shaped main body for removable placement over an attic access opening through an attic floor, hinge means attached to said main body for upwardly pivoting of said main body away from said opening, and a cavity on an underside of said main body for an attic folding stairway to be upwardly stored therewithin from below; said main body comprising a strong central core sandwiched between layers of plastic; said main body being rectangular in shape and having a padded outwardly flange around its edge for resting upon said attic floor; and said hinge means comprising a pair of hinges attached to a longer side of said main body and each said hinge including stop means for abutment against said attic floor and limit a pivotal travel thereof.
Claim 2
Dependent Claim
137 words
An attic access stairway cover, comprising in combination, an inverted tub-shaped main body for removable placement over an attic access opening through an attic floor, hinge means attached to said main body for upwardly pivoting of said main body away from said opening, and a cavity on an underside of said main body for an attic folding stairway to be upwardly stored therewithin from below; said main body comprising a strong central core sandwiched between layers of plastic; said main body being rectangular in shape and having a padded outwardly flange around its edge for resting upon said attic floor; and said hinge means comprising a pair of hinges attached to a longer side of said main body and each said hinge including stop means for abutment against said attic floor and limit a pivotal travel thereof.
Claim 3
Dependent Claim
43 words
The combination as set forth in claim 1 wherein a rigid rod pivotally attached to an inner side of an opposite longer side of said main body includes a handle at its opposite end for pushing or pulling said cover upwardly or downwardly.
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) | 1993-05-28 | 1993-11-27 | 1994-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-28 | 1997-11-27 | 1998-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-28 | 2001-11-27 | 2002-05-29 | $7700.00 | Window Closed / Lapsed |