Patent US3751948A successfully refreshed from Google Patents.
US3751948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective lock casing
Assignee: Individual
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Filing: 1971-10-06
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Granted: 1973-08-14
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Expires: 1991-10-06
Abstract
Abstract A protective casing for a lock having a body provided with a barrel and a shackle. The casing includes a sheath for surrounding the lock and for surrounding the shackle on three sides, so as to prevent access of cutters, snippers, and the like for breaking the shackle. Suitable flanges are provided on the sheath for protecting against unauthorized removal of the barrel. The lock is fixed to the sheath.
Inventors
- 👤 S Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:19
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/38; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/493; Y10T70/496; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7921
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
76 words
A protective casing for a lock having a body, a barrel, a shackle comprising a sheath surrounding said body and having channel-shaped means surrounding said shackle on three sides for protecting said shackle, said sheath including inwardly directed flange means for underlying said body and a portion of said barrel for preventing removal of said barrel yet permitting rotation thereof, and means for securing said sheath to said lock extending through said sheath into said body.
Claim 2
Dependent Claim
76 words
A protective casing for a lock having a body, a barrel, a shackle comprising a sheath surrounding said body and having channel-shaped means surrounding said shackle on three sides for protecting said shackle, said sheath including inwardly directed flange means for underlying said body and a portion of said barrel for preventing removal of said barrel yet permitting rotation thereof, and means for securing said sheath to said lock extending through said sheath into said body.
Claim 3
Dependent Claim
43 words
A protective casing for a lock according to claim 1, wherein said flange means include a pair of flanges, each underlying a portion of said barrel, said channel-shaped means extending substantially beyond said shackle and being an integral channel extension of said sheath.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |