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Patent US4224766A successfully refreshed from Google Patents.
US4224766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threshold with flexible insulator
Assignee: Endura Products LLC
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Filing: 1979-05-21
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Granted: 1980-09-30
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Expires: 1999-05-21
Abstract
Abstract An insulating threshold having an elongated sill with an adjustable elongated flexible arched member in which the height of the arched member may be controlled to engage the bottom of a door.
Inventors
- 👤 Jerome C. Procton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:22
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B1/00; E06B1/70; E06B2001/707
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
176 words
An insulating adjustable threshold comprising; an elongated sill, an arched flexible means projecting above said sill, said arched flexible means being integral and having a first elongated edge, a second elongated edge and an intermediate flexible member between said edges, means supporting said arched flexible means for controlling the height of said arched flexible means, said flexible means supporting means including a first elongated stationary recess in said sill for retaining said first elongated edge therein and an elongated movable edge supporting means having a second edge retaining recess therein in spaced relation to said first recess, means for displacing said elongated movable edge supporting means to alter the height of said arched flexible means, said movable elongated member including a series of blocks, each of said blocks having a recess for retaining said second elongated edge, means for displacing each of said blocks to adjust the height of said flexible member, and an elongated facial plate mounted on said sill adjacent to said series of blocks and said means for displacing each of said blocks.
Claim 2
Dependent Claim
176 words
An insulating adjustable threshold comprising; an elongated sill, an arched flexible means projecting above said sill, said arched flexible means being integral and having a first elongated edge, a second elongated edge and an intermediate flexible member between said edges, means supporting said arched flexible means for controlling the height of said arched flexible means, said flexible means supporting means including a first elongated stationary recess in said sill for retaining said first elongated edge therein and an elongated movable edge supporting means having a second edge retaining recess therein in spaced relation to said first recess, means for displacing said elongated movable edge supporting means to alter the height of said arched flexible means, said movable elongated member including a series of blocks, each of said blocks having a recess for retaining said second elongated edge, means for displacing each of said blocks to adjust the height of said flexible member, and an elongated facial plate mounted on said sill adjacent to said series of blocks and said means for displacing each of said blocks.
Claim 3
Dependent Claim
30 words
An insulating adjustable threshold as claimed in claim 1, said elongated facial plate being releasably clamped to said sill and having access means therethrough to expose said block displacing means.
Claim 4
Dependent Claim
23 words
An insulating adjustable threshold as claimed in claim 1, said threshold having wood sections at least at each end retained in said sill.
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) | 1983-09-30 | 1984-03-31 | 1984-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-30 | 1988-03-31 | 1988-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-30 | 1992-03-31 | 1992-09-30 | $7700.00 | Window Closed / Lapsed |