US3301299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interfering thread form
Assignee: Accurate Automatic Parts Inc
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Filing: 1965-05-27
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Granted: 1967-01-31
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Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Stanwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:34
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/02; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
FOR USE IN CONNECTION WITH A MEMBER HAVING A STANDARD FEMALE THREAD FORM OF UNIFORM AXIAL PITCH WITH ROOTS AND CRESTS SUBSTANTIALLY V-SHAPED IN CROSS SECTION AND HAVING CONSTANT UNIFORM DIAMETERS; A MEMBER PROVIDED WITH A MALE THREAD FORM OF CORRESPONDING UNIFORM AXIAL PITCH THROUGHOUT AND ALSO HAVING CRESTS OF CONSTANT UNIFORM DIAMETER THROUGHOUT, SAID MALE THREAD FORM BEING RECEIVABLE IN SAID FEMALE THREAD FORM AND COMPRISED OF THREE AXIAL ZONES ALONG ITS LENGTH, THE FIRST EXTENDING THROUGH AT LEAST THE INITIAL COMPLETE CONVOLUTION OF THE ROOT THEREOF, SAID ROOT THROUGHOUT SAID FIRST ZONE BEING SUBSTANTIALLY V-SHAPED IN CROSS SECTION, THE SECOND ZONE INCLUDING SUBSEQUENT CONVOLUTIONS OF THE ROOT, SAID ROOT BEING FLATTENED IN SAID SECOND ZONE TO A PROGRESSIVELY INCREASING DIAMETER THROUGH BETWEEN ONE AND THREE COMPLETE CONVOLUTIONS TO PROVIDE FROM AT LEAST .004 INCH INTERFERENCE IN THE INITIAL CONVOLUTION TO .008 INCH INTERFERENCE WITH THE CREST OF SAID FEMALE THREAD FORM IN THE FINAL CONVOLUTION OF SAID SECOND ZONE, AND A THIRD ZONE INCLUDING THE CONVOLUTIONS OF THE ROOT SUBSEQUENT TO THE SECOND ZONE AND HAVING A CONSTANT FLATTENED ROOT DIAMETER
Claim 2
Dependent Claim
183 words
FOR USE IN CONNECTION WITH A MEMBER HAVING A STANDARD FEMALE THREAD FORM OF UNIFORM AXIAL PITCH WITH ROOTS AND CRESTS SUBSTANTIALLY V-SHAPED IN CROSS SECTION AND HAVING CONSTANT UNIFORM DIAMETERS; A MEMBER PROVIDED WITH A MALE THREAD FORM OF CORRESPONDING UNIFORM AXIAL PITCH THROUGHOUT AND ALSO HAVING CRESTS OF CONSTANT UNIFORM DIAMETER THROUGHOUT, SAID MALE THREAD FORM BEING RECEIVABLE IN SAID FEMALE THREAD FORM AND COMPRISED OF THREE AXIAL ZONES ALONG ITS LENGTH, THE FIRST EXTENDING THROUGH AT LEAST THE INITIAL COMPLETE CONVOLUTION OF THE ROOT THEREOF, SAID ROOT THROUGHOUT SAID FIRST ZONE BEING SUBSTANTIALLY V-SHAPED IN CROSS SECTION, THE SECOND ZONE INCLUDING SUBSEQUENT CONVOLUTIONS OF THE ROOT, SAID ROOT BEING FLATTENED IN SAID SECOND ZONE TO A PROGRESSIVELY INCREASING DIAMETER THROUGH BETWEEN ONE AND THREE COMPLETE CONVOLUTIONS TO PROVIDE FROM AT LEAST .004 INCH INTERFERENCE IN THE INITIAL CONVOLUTION TO .008 INCH INTERFERENCE WITH THE CREST OF SAID FEMALE THREAD FORM IN THE FINAL CONVOLUTION OF SAID SECOND ZONE, AND A THIRD ZONE INCLUDING THE CONVOLUTIONS OF THE ROOT SUBSEQUENT TO THE SECOND ZONE AND HAVING A CONSTANT FLATTENED ROOT DIAMETER
References Cited (Backward Citations)
US2269476A
Cited
US2437638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |