US4024729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerated milk container
Assignee: Individual
•
Filing: 1975-11-24
•
Granted: 1977-05-24
•
Expires: 1995-11-24
Abstract
Abstract A refrigerated box mounted through an outside wall of a house and which is used by a home delivery route milkman to deposit bottles of milk therein; the box having a door on its outer side for access to the milkman and a door on its inner side for allowing a resident inside the home to remove the milk; a lock automatically locking the outer door when closed, and a hidden lock release being made known only to the milkman so to prevent other strangers from access to the box interior.
Inventors
- 👤 Rudolph Abate, Sr.
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/14; A47G29/20; A47G29/28; F; F25; F25D; F25D23/00; F25D23/10; F25D2400/00; F25D2400/40
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
133 words
The combination of a refrigerated box and a wall comprising a box with a refrigerating unit mounted under the bottom side of said box, said box being mounted in an opening in said wall, said box having a hinged outside door at one end and a hinged inside door at an opposite end, including a shelf mounted inside said box vertically movable relative to said bottom side, said shelf having a downward hook engagable with an upward hook of said outside door when said shelf is moved downwardly against a compression spring to lock the outside door, said shelf in downward position engaging a switch on said bottom side to close an electric circuit to actuate the refrigerating unit, whereby placement of packages on said shelf moves said shelf to the downward position.
Claim 2
Dependent Claim
133 words
The combination of a refrigerated box and a wall comprising a box with a refrigerating unit mounted under the bottom side of said box, said box being mounted in an opening in said wall, said box having a hinged outside door at one end and a hinged inside door at an opposite end, including a shelf mounted inside said box vertically movable relative to said bottom side, said shelf having a downward hook engagable with an upward hook of said outside door when said shelf is moved downwardly against a compression spring to lock the outside door, said shelf in downward position engaging a switch on said bottom side to close an electric circuit to actuate the refrigerating unit, whereby placement of packages on said shelf moves said shelf to the downward position.
Claim 3
Dependent Claim
68 words
The combination as set forth in claim 1 wherein a lock release is provided comprising a push button projecting hidden under an outside overhanging portion of said box adjacent to outside door, said push button being affixed to a extending through said bottom side and push rod bearing against the underside of said shelf, whereby movement upwardly of said button moves the shelf upwardly to disengage said hooks.
Claim 4
Dependent Claim
28 words
The combination as set forth in claim 2, wherein said refrigerator includes an inside door lock mechanism which locks the inside door when the outside door is open.
Claim 5
Dependent Claim
92 words
The combination of claim 3 wherein said mechanism comprises an angle plate slidably supported on an underside of said shelf a second compression coil spring urging said angle to plate against said shelf hook, a horizontal rod slidable by said angle plate against a third compression coil spring, an angularly inclined end on said horizontal rod bearing down against a shoulder of a vertically slidable pin against a force of a fourth compression coil spring, an upper end of said pin being engagable in an eye bolt secured to said inside door.
References Cited (Backward Citations)
US681155A
Cited
US858982A
Cited
US1069412A
Cited
US2579379A
Cited
US2848880A
Cited
US2823972A
Cited
US3078682A
Cited
US3708997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |