Patent US4198088A successfully refreshed from Google Patents.
US4198088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable door lock
Assignee: Individual
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Filing: 1978-09-22
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Granted: 1980-04-15
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Expires: 1998-09-22
Abstract
Abstract Disclosed herein is a door lock attachable to the edge of a door and selectively deployable to engage the floor adjacent the door to thereby prevent the door from opening. More specifically, the door lock comprises a slide adapted to be clamped to the door, the slide engaging a vertical leg of an L-shaped bracket, the horizontal leg thereof being provided with a plurality of V-shaped cuts forming downwardly directed teeth for engaging the floor or the carpet adjacent the door. Included also in the horizontal leg are two adjustable screws which may be turned downwardly to provide further engagement with the floor.
Inventors
- 👤 Joe I. Tochihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:23
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/18; Y; Y10; Y10S; Y10S292/00; Y10S292/15; Y10T; Y10T292/00; Y10T292/34; Y10T292/37; Y10T292/376; Y10T292/379; Y10T292/385
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
101 words
A door securing device adapted to oppose the opening of a door comprising: a U-shaped clamp conformed to engage the edge of said door said clamp including one vertical surface provided with outwardly directed inturned lips along two parallel edges thereof; clamping means for releasably securing said clamp to said door; an L-shaped bracket having a vertical leg conformed for insertion between said inturned lips and a horizontal leg provided with a plurality of V-shaped cuts each forming a tooth-like structure turned out of the plane of said horizontal leg; and adjusting means for selectively securing said bracket relative said clamp.
Claim 2
Dependent Claim
101 words
A door securing device adapted to oppose the opening of a door comprising: a U-shaped clamp conformed to engage the edge of said door said clamp including one vertical surface provided with outwardly directed inturned lips along two parallel edges thereof; clamping means for releasably securing said clamp to said door; an L-shaped bracket having a vertical leg conformed for insertion between said inturned lips and a horizontal leg provided with a plurality of V-shaped cuts each forming a tooth-like structure turned out of the plane of said horizontal leg; and adjusting means for selectively securing said bracket relative said clamp.
Claim 3
Dependent Claim
25 words
Apparatus according to claim 1 wherein said clamping means includes a thumbscrew threadably engaged to said clamp and aligned to extend to the interior thereof.
Claim 4
Dependent Claim
21 words
Apparatus according to claim 2 further comprising: a screw extending through the horizontal leg for engaging the structure adjacent said door.
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) | 1983-04-15 | 1983-10-15 | 1984-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-15 | 1987-10-15 | 1988-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-15 | 1991-10-15 | 1992-04-15 | $7700.00 | Window Closed / Lapsed |