US3208331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet device
Assignee: American Air Filter Co Inc
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Filing: 1962-08-31
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Granted: 1965-09-28
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Howard O Scholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:25
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A RIVET COMPRISING: A TUBULAR FEMALE MEMBER, INCLUDING INTEGRAL HEAD AND BODY PORTIONS HAVING AN AXIAL PASSAGE EXTENDING LONGITUDINALLY THERETHROUGH, SAID BODY PORTION OF SAID FEMALE MEMBER HAVING A CROSS-SECTIONAL DIMENSION LESS THAN THE CROSS-SECTIONAL DIMENSION OF SAID HEAD PORTION OF SAID FEMALE MEMBER; AND A MALE MEMBER INCLUDING INTEGRAL HAD, SHANK AND STEM PORTIONS, SAID SHANK PORTION OF SAID MALE MEMBER HAVING A CROSS-SECTIONAL DIMENSION LESS THAN THE CROSS-SECTIONAL DIMENSION OF SAID HEAD PORTION OF SAID MALE MEMBER AND GREATER THAN THE CROSS-SECTIONAL DIMENSION OF SAID AXIAL PASSAGE OF SAID FEMALE MEMBER, SAID SHANK PORTION OF SAID MALE MEMBER INCLUDING A TAPERED SHOULDER ADJACENT SAID STEM PORTION OF SAID MALE MEMBER AND SAID AXIAL PASSAGEWAY OF SAID FEMALE MEMBER HAVING A TAPERED RECESS TO RECEIVE SAID TAPERED SHOULDER IN NESTING RELATIONSHIP THEREWITH, SAID STEM PORTION OF SAID MALE MEMBER HAVING A CROSSSECTIONAL DIMENSION THROUGHOUT LESS THAN SAID SHANK POR-
Claim 2
Dependent Claim
150 words
A RIVET COMPRISING: A TUBULAR FEMALE MEMBER, INCLUDING INTEGRAL HEAD AND BODY PORTIONS HAVING AN AXIAL PASSAGE EXTENDING LONGITUDINALLY THERETHROUGH, SAID BODY PORTION OF SAID FEMALE MEMBER HAVING A CROSS-SECTIONAL DIMENSION LESS THAN THE CROSS-SECTIONAL DIMENSION OF SAID HEAD PORTION OF SAID FEMALE MEMBER; AND A MALE MEMBER INCLUDING INTEGRAL HAD, SHANK AND STEM PORTIONS, SAID SHANK PORTION OF SAID MALE MEMBER HAVING A CROSS-SECTIONAL DIMENSION LESS THAN THE CROSS-SECTIONAL DIMENSION OF SAID HEAD PORTION OF SAID MALE MEMBER AND GREATER THAN THE CROSS-SECTIONAL DIMENSION OF SAID AXIAL PASSAGE OF SAID FEMALE MEMBER, SAID SHANK PORTION OF SAID MALE MEMBER INCLUDING A TAPERED SHOULDER ADJACENT SAID STEM PORTION OF SAID MALE MEMBER AND SAID AXIAL PASSAGEWAY OF SAID FEMALE MEMBER HAVING A TAPERED RECESS TO RECEIVE SAID TAPERED SHOULDER IN NESTING RELATIONSHIP THEREWITH, SAID STEM PORTION OF SAID MALE MEMBER HAVING A CROSSSECTIONAL DIMENSION THROUGHOUT LESS THAN SAID SHANK POR-
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |