US3143885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open face gauge construction
Assignee: Ametek Inc
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Filing: 1961-12-06
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Granted: 1964-08-11
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Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Waite
- 👤 Jr Harry W Hoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
G; G01; G01L; G01L19/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
IN A GAUGE HAVING A CASE WITH AN OPEN END, SAID OPEN END HAVING AN UNDERCUT GROOVE, A GLASS MEANS FOR SAID GAUGE INESRTABLE IN SAID OPEN END; ABUTMENT MEANS FOR LIMITING THE INWARD MOVEMENT OF SAID GLASS MEANS; AND A PLASTIC BEZEL OUTWARDLY OF SAID GLASS COMPRISING AN ANNULAR MEMBER HAVING AN EXTERNAL FLANGE THEREON OF SLIGHTLY GREATER DIAMETER THAN THAT OF SAID UNDERCUT GROOVE AND AN INTERNALLY EXTENDING FRUSTOCONICAL SKIRT PORTION, SAID EXTERNAL FLANGE AND SKIRT BEING OF RESILIENT MATERIAL SO AS TO ALLOW IT TO BE SNAPPED INTO THE UNDERCUT GROOVE OF SAID CASE AND SAID SKIRT PORTION RESILIENTLY ENGAGING SAID GLASS MEANS, WHEREBY SAID GLASS EMANS IS HELD IN PLACE BY THE INWARD PRESSURE OF THE SKIRT PORTION OF SAID BEZEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |