US3245375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pointer measuring instrument
Assignee: Mannesmann VDO AG
•
Filing: 1964-05-14
•
Granted: 1966-04-12
•
Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Fiedler Hermann
- 👤 Henss Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:33
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A DIAL FOR A POINTER INDICATING INSTRUMENT, COMPRISING A DISC OF TRANSPARENT MATERIAL, A LAYER OF LIGHT TRANSMITTING MATERIAL COVERING ONE FACE OF SAID DISC, SAID LAYER HAVING RECESSES TO FORM INDICIA ON SAID DISC, THE SPECIFIC TRANSMITTING OF LIGHT THROUGH SAID LAYER BEING LOWER THAN THE TRANSMITTANCY OF LIGHT THROUGH SAID INDICIA, AND SAID LAYER OF COVERING MATERIAL COMPRISING A SCREEN OF A PLURALITY OF INTERSECTING, NONTRANSPARENT AND DARKCOLORED LINES FORMED ON OPAQUE MATERIAL OF SUBSTANTIALLY EQUAL WIDTH AND DISPOSED SPACED APART FROM EACH OTHER AT A DISTANCE ABOUT EQUAL WITH THE WIDTH OF SAID LINES.
Claim 2
Dependent Claim
97 words
A DIAL FOR A POINTER INDICATING INSTRUMENT, COMPRISING A DISC OF TRANSPARENT MATERIAL, A LAYER OF LIGHT TRANSMITTING MATERIAL COVERING ONE FACE OF SAID DISC, SAID LAYER HAVING RECESSES TO FORM INDICIA ON SAID DISC, THE SPECIFIC TRANSMITTING OF LIGHT THROUGH SAID LAYER BEING LOWER THAN THE TRANSMITTANCY OF LIGHT THROUGH SAID INDICIA, AND SAID LAYER OF COVERING MATERIAL COMPRISING A SCREEN OF A PLURALITY OF INTERSECTING, NONTRANSPARENT AND DARKCOLORED LINES FORMED ON OPAQUE MATERIAL OF SUBSTANTIALLY EQUAL WIDTH AND DISPOSED SPACED APART FROM EACH OTHER AT A DISTANCE ABOUT EQUAL WITH THE WIDTH OF SAID LINES.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |