Patent US3128559A successfully refreshed from Google Patents.
US3128559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Depth micrometer
Assignee: Individual
•
Filing: 1960-12-02
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Granted: 1964-04-14
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Rudolph R Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:53
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/22; G01B3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A TOOL FOR MEASURING THE DEPTH OF GROOVES IN ROUNDED WORKPIECES HAVING DIFFERENT DIAMETERS COMPRISING, IN COMBINATION, AN INVERTED V-SHAPED BASE INCLUDING A PAIR OF DIVERGING WORK ENGAGING ARMS, SAID BASE HAVING A BORE EXTENDING THROUGH ITS APEX, A DEPTH MICROMETER MOUNTED IN SAID BORE, SAID MICROMETER HAVING A WORK ENGAGING SPINDLE PASSING THROUGH SAID BORE AND LONGITUDINALLY MOVABLE THEREIN, MEANS FOR LOCKING SAID MICROMETER TO SAID BASE IN A SELECTABLE ONE OF DIVERSE REFERENCE POSITIONS WITHIN SAID BORE, AND MEANS FOR CENTERING SAID TOOL RELATIVE TO THE SIDES OF SAID GROOVE.
Claim 2
Dependent Claim
92 words
A TOOL FOR MEASURING THE DEPTH OF GROOVES IN ROUNDED WORKPIECES HAVING DIFFERENT DIAMETERS COMPRISING, IN COMBINATION, AN INVERTED V-SHAPED BASE INCLUDING A PAIR OF DIVERGING WORK ENGAGING ARMS, SAID BASE HAVING A BORE EXTENDING THROUGH ITS APEX, A DEPTH MICROMETER MOUNTED IN SAID BORE, SAID MICROMETER HAVING A WORK ENGAGING SPINDLE PASSING THROUGH SAID BORE AND LONGITUDINALLY MOVABLE THEREIN, MEANS FOR LOCKING SAID MICROMETER TO SAID BASE IN A SELECTABLE ONE OF DIVERSE REFERENCE POSITIONS WITHIN SAID BORE, AND MEANS FOR CENTERING SAID TOOL RELATIVE TO THE SIDES OF SAID GROOVE.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |