Patent US4322102A successfully refreshed from Google Patents.
US4322102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guarded locking device
Assignee: Individual
•
Filing: 1980-07-21
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Granted: 1982-03-30
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Expires: 2000-07-21
Abstract
Abstract A guard for protecting the shackle of a padlock used for locking a locking device in the engaged position comprises a U-shaped member having plate limbs, the shackle being received in the space between the limbs to be protected by the limbs against cutting by means of a tool such as a saw, a file or a bolt clipper.
Inventors
- 👤 Erik I. Lindblom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:58
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/08; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1025; Y10T292/31; Y10T292/331; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/493; Y10T70/498
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A guarded locking device for receiving a padlock comprising: a U-shaped member having two spaced apart plate limbs with a through opening; and a pin for insertion through said opening, said pin having an aperture therethrough for receiving the shackle of the padlock between said plate limbs in the engaged position of the device and wherein said pin is flat and is curved in the longitudinal direction thereof forming a concave edge and a convex edge to have said concave edge facing the free ends of the limbs of the U-shaped member when the pin is received by the openings in said limbs and further wherein said pin urges the U-shaped limbs together when force is applied to said padlock.
Claim 2
Dependent Claim
120 words
A guarded locking device for receiving a padlock comprising: a U-shaped member having two spaced apart plate limbs with a through opening; and a pin for insertion through said opening, said pin having an aperture therethrough for receiving the shackle of the padlock between said plate limbs in the engaged position of the device and wherein said pin is flat and is curved in the longitudinal direction thereof forming a concave edge and a convex edge to have said concave edge facing the free ends of the limbs of the U-shaped member when the pin is received by the openings in said limbs and further wherein said pin urges the U-shaped limbs together when force is applied to said padlock.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-29 | 1985-09-28 | 1986-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-29 | 1989-09-28 | 1990-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-29 | 1993-09-28 | 1994-03-30 | $7700.00 | Window Closed / Lapsed |