US3264462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key display device
Assignee: Independent Lock Co
•
Filing: 1964-09-15
•
Granted: 1966-08-02
•
Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Walter R G Haggstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:05
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/10; G; G02; G02B; G02B6/00; G02B6/0001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A KEY BLANK SELECTOR DEVICE COMPRISING AN OPAQUE DISPLAY BOARD, A MULTIPLICITY OF APERTURES FORMED IN SAID BOARD, INTEGRAL KEY BLANK HOLDER MEANS OF LIGHT CONDUCTIVE PLASTIC MOUNTED IN SAID APERTURES OF SAID BOARD INCLUDING A BODY PORTION EXTENDING TRANSVERSELY THROUGH SAID BOARD, A BOSS FORMING A CONTINUATION OF SAID BODY PORTION AND LYING ADJACENT THE FRONT FACE OF SAID BOARD, A KEY SUPPORT PROBE EXTENDING OUTWARDLY FROM SAID BOSS, SAID PROBE BEING OF A CROSS-SECTIONAL DIMENSION TO PERMIT THE SAME TO PASS THROUGH THE APERTURE DEFINED IN THE HEAD OF A KEY BLANK, LOCKING MEANS ADJACENT THE REAR FACE OF SAID BOARD ENGAGING SAID BODY PORTION, AND ILLUMINATOR MEANS DISPOSED IN LIGHT TRANSMITTING RELATION WITH RESPECT TO THE BODY PORTION OF SAID HOLDER MEANS, SAID BOSS SERVING TO SILHOUETTE THE HEAD PORTIONS OF KEYS ON THE PROBE, THEREBY TO FACILITATE SELECTION OF A KEY.
Claim 2
Dependent Claim
145 words
A KEY BLANK SELECTOR DEVICE COMPRISING AN OPAQUE DISPLAY BOARD, A MULTIPLICITY OF APERTURES FORMED IN SAID BOARD, INTEGRAL KEY BLANK HOLDER MEANS OF LIGHT CONDUCTIVE PLASTIC MOUNTED IN SAID APERTURES OF SAID BOARD INCLUDING A BODY PORTION EXTENDING TRANSVERSELY THROUGH SAID BOARD, A BOSS FORMING A CONTINUATION OF SAID BODY PORTION AND LYING ADJACENT THE FRONT FACE OF SAID BOARD, A KEY SUPPORT PROBE EXTENDING OUTWARDLY FROM SAID BOSS, SAID PROBE BEING OF A CROSS-SECTIONAL DIMENSION TO PERMIT THE SAME TO PASS THROUGH THE APERTURE DEFINED IN THE HEAD OF A KEY BLANK, LOCKING MEANS ADJACENT THE REAR FACE OF SAID BOARD ENGAGING SAID BODY PORTION, AND ILLUMINATOR MEANS DISPOSED IN LIGHT TRANSMITTING RELATION WITH RESPECT TO THE BODY PORTION OF SAID HOLDER MEANS, SAID BOSS SERVING TO SILHOUETTE THE HEAD PORTIONS OF KEYS ON THE PROBE, THEREBY TO FACILITATE SELECTION OF A KEY.
References Cited (Backward Citations)
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US2575269A
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US2940558A
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US2826680A
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US2940183A
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |