Patent US3324562A successfully refreshed from Google Patents.
US3324562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread gage
Assignee: United States Steel Corp
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Filing: 1965-04-14
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Granted: 1967-06-13
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 John W Kelso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:45
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20; G01B5/204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THREAD TESTING APPARATUS COMPRISING A CARRIAGE ADAPTED TO TRAVEL LONGITUDINALLY OF A THREADED PORTION OF A SUPPORTED WORKPIECE, A FIRST FRAME SUPPORTED ON SAID CARRIAGE AND RECIPROCABLE IN A DIRECTION TOWARD AND AWAY FROM SAID THREADED PORTION, SAID FIRST FRAME HAVING A PAIR OF OPPOSED SPACED THREAD ENGAGING SURFACES THEREON FOR ENGAGEMENT WITH SAID THREADED PORTION IN AN OPERATIVE POSITION OF SAID FIRST FRAME, SAID FIRST FRAME HAVING A FIRST OPENING THERETHROUGH BETWEEN SAID SURFACES, A SECOND RECIPROCABLE FRAME, MEANS MOUNTING SAID SECOND FRAME IN SAID FIRST OPENING FOR MOVEMENT IN SAID DIRECTION WITH AND WITH RESPECT TO SAID FIRST FRAME INTO AND OUT OF AN OPERATIVE POSITION, SAID SECOND FRAME HAVING A SECOND OPENING THERETHROUGH, A THREAD TESTING STYLUS, MEANS MOUNTING SAID STYLUS IN SAID SECOND OPENING FOR MOVEMENT IN SAID DIRECTION WITH AND WITH RESPECT TO SAID FRAMES INTO AND OUT OF AN OPERATIVE POSITION WHEREIN
Claim 2
Dependent Claim
148 words
THREAD TESTING APPARATUS COMPRISING A CARRIAGE ADAPTED TO TRAVEL LONGITUDINALLY OF A THREADED PORTION OF A SUPPORTED WORKPIECE, A FIRST FRAME SUPPORTED ON SAID CARRIAGE AND RECIPROCABLE IN A DIRECTION TOWARD AND AWAY FROM SAID THREADED PORTION, SAID FIRST FRAME HAVING A PAIR OF OPPOSED SPACED THREAD ENGAGING SURFACES THEREON FOR ENGAGEMENT WITH SAID THREADED PORTION IN AN OPERATIVE POSITION OF SAID FIRST FRAME, SAID FIRST FRAME HAVING A FIRST OPENING THERETHROUGH BETWEEN SAID SURFACES, A SECOND RECIPROCABLE FRAME, MEANS MOUNTING SAID SECOND FRAME IN SAID FIRST OPENING FOR MOVEMENT IN SAID DIRECTION WITH AND WITH RESPECT TO SAID FIRST FRAME INTO AND OUT OF AN OPERATIVE POSITION, SAID SECOND FRAME HAVING A SECOND OPENING THERETHROUGH, A THREAD TESTING STYLUS, MEANS MOUNTING SAID STYLUS IN SAID SECOND OPENING FOR MOVEMENT IN SAID DIRECTION WITH AND WITH RESPECT TO SAID FRAMES INTO AND OUT OF AN OPERATIVE POSITION WHEREIN
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |