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US3914965A Expired / Lapsed US ⏱️ 0.0 years remaining

Super secure lock

Assignee: Individual
•
Filing: 1974-06-12
•
Granted: 1975-10-28
•
Expires: 1994-06-12
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Abstract

Abstract A lock is provided that includes a plate having an opening therein for selectively receiving a lock for holding doors securely closed. In order to unlock the device, in one form of the invention an inner plunger must be moved. In a second form the plunger must be moved in a predetermined manner to permit unlocking thereof. In another form of the device a key is used to move the parts to unlocked position.

Inventors

  • 👤 Lee C Paxton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:34
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/36; E05B67/365; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10S24/54; Y10S24/59; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152; Y10T24/4522; Y10T292/00; Y10T292/31; Y10T292/34; Y10T292/68; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/439; Y10T70/443; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7661

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 175 words
In a lock for a swinging door, a plate having a generally flat portion attached to the door jamb at a location within the crack between the door and the door jamb and extending inwardly through said cRack and terminating in a curved portion overlapping and abutting the inside of the door jamb, the flat portion of the plate having an opening therein located inwardly of the door, said lock including an outer housing having a reduced diameter end portion for selectively projecting through the opening in said plate, there being diametrically opposed apertures in said reduced diameter end portion, ball members moveably mounted in said apertures to extend outwardly behind the plate at the inside of the door jamb to attach the lock to the plate at the inside of the door, an inner dogging member mounted in said housing, and a cylindrical fitting on the end of said dogging member for selectively maintaining said ball members in an outer position and for selectively permitting said ball members to move to an inward position.
Claim 2
Dependent Claim 175 words
In a lock for a swinging door, a plate having a generally flat portion attached to the door jamb at a location within the crack between the door and the door jamb and extending inwardly through said cRack and terminating in a curved portion overlapping and abutting the inside of the door jamb, the flat portion of the plate having an opening therein located inwardly of the door, said lock including an outer housing having a reduced diameter end portion for selectively projecting through the opening in said plate, there being diametrically opposed apertures in said reduced diameter end portion, ball members moveably mounted in said apertures to extend outwardly behind the plate at the inside of the door jamb to attach the lock to the plate at the inside of the door, an inner dogging member mounted in said housing, and a cylindrical fitting on the end of said dogging member for selectively maintaining said ball members in an outer position and for selectively permitting said ball members to move to an inward position.
Claim 3
Dependent Claim 18 words
A device as claimed in claim 1 wherein the dogging member is selectively manually rotatable and moveable inwardly.
Claim 4
Dependent Claim 18 words
A device as claimed in claim 2 and further including a coil spring circumposed on said dogging member.
Claim 5
Dependent Claim 17 words
A device as claimed in claim 3 and further including a chain connect to said dogging member.
Claim 6
Dependent Claim 21 words
A device as claimed in claim 1 and further including a key slot in said dogging member for receiving a key.
Claim 7
Dependent Claim 23 words
A device as claimed in claim 5 and further including a flat bar portion on said dogging member for engaging said ball members.

References Cited (Backward Citations)

US337929A Cited
US1921225A Cited
US2024588A Cited
US2402925A Cited
US2373083A Cited
US2837905A Cited
US3037256A Cited
US3233496A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-10-27 1979-04-28 1979-10-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-10-27 1983-04-28 1983-10-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-10-27 1987-04-28 1987-10-28 $7700.00 Window Closed / Lapsed

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