US3131482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micrometer with adjustable barrel sleeve
Assignee: Brown and Sharpe Manufacturing Co
•
Filing: 1961-10-09
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Granted: 1964-05-05
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Ermand L Watelet
- 👤 Norman E Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:28
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A MICROMETER, A BARREL, A SLEEVE CARRYING MARKING INDICIA AND HAVING A CONTINUOUSLY CIRCULAR CROSS SECTION AND OF AN INTERIOR SIZE RELATIVE TO SAID BARREL TO CLOSELY EMBRACE YET SLIDE ON THE BARREL, SAID SLEEVE BEING PERMANENTLY DEFLECTED INWARDLY AT A PLURALITY OF EQUALLY CIRCUMFERENTIALLY SPACED LOCATIONS PROVIDING BULGES, THE CIRCUMFERENTIAL SIZE OF WHICH BULGES BEING LESS THAN THE SIZE OF THE BARREL, THE STOCK OF THE SLEEVE AT SAID BULGES BEING
Claim 2
Dependent Claim
73 words
IN A MICROMETER, A BARREL, A SLEEVE CARRYING MARKING INDICIA AND HAVING A CONTINUOUSLY CIRCULAR CROSS SECTION AND OF AN INTERIOR SIZE RELATIVE TO SAID BARREL TO CLOSELY EMBRACE YET SLIDE ON THE BARREL, SAID SLEEVE BEING PERMANENTLY DEFLECTED INWARDLY AT A PLURALITY OF EQUALLY CIRCUMFERENTIALLY SPACED LOCATIONS PROVIDING BULGES, THE CIRCUMFERENTIAL SIZE OF WHICH BULGES BEING LESS THAN THE SIZE OF THE BARREL, THE STOCK OF THE SLEEVE AT SAID BULGES BEING
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |