US3078002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener
Assignee: North American Aviation Corp
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Filing: 1959-05-21
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Granted: 1963-02-19
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Expires: 1979-05-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Marion E Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:53
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/01; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1063; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T29/49943; Y10T29/49972; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A FASTENER ADAPTED TO EXTEND THROUGH A STRUCTURAL MATERIAL HAVING UPPER AND LOWER SPACED SHEETS, SAID FASTENER COMPRISING: A MANDREL, A FASTENER HEAD ELEMENT ENCIRCLING SAID MANDREL AND HAVING A DOWNWARDLY FACING SHOULDER EXTENDING IN A DIRECTION PERPENDICULAR TO THE AXIS OF THE MANDREL A DISTANCE SUBSTANTIALLY GREATER THAN THE RADIUS OF THE MANDREL AND A HEAD CYLINDRICAL PORTION ADAPTED TO EXTEND DOWNWARDLY THROUGH SAID UPPER SHEET FROM THE INNER CIRCUMFERENTIAL EDGE OF SAID SHOULDER, A SPACER PORTION ENCIRCLING SAID MANDREL AND HAVING A UNIFORM INSIDE AND OUTSIDE DIAMETER SUBSTANTIALLY EQUAL TO THE INSIDE AND OUTSIDE DIAMETERS, RESPECTIVELY, OF SAID HEAD CYLINDRICAL PORTION. SAID SPACER PORTION HAVING A CYLINDRICAL CAMMING PORTION EXTENDING UPWARDLY AND INWARDLY FROM THE
Claim 2
Dependent Claim
117 words
A FASTENER ADAPTED TO EXTEND THROUGH A STRUCTURAL MATERIAL HAVING UPPER AND LOWER SPACED SHEETS, SAID FASTENER COMPRISING: A MANDREL, A FASTENER HEAD ELEMENT ENCIRCLING SAID MANDREL AND HAVING A DOWNWARDLY FACING SHOULDER EXTENDING IN A DIRECTION PERPENDICULAR TO THE AXIS OF THE MANDREL A DISTANCE SUBSTANTIALLY GREATER THAN THE RADIUS OF THE MANDREL AND A HEAD CYLINDRICAL PORTION ADAPTED TO EXTEND DOWNWARDLY THROUGH SAID UPPER SHEET FROM THE INNER CIRCUMFERENTIAL EDGE OF SAID SHOULDER, A SPACER PORTION ENCIRCLING SAID MANDREL AND HAVING A UNIFORM INSIDE AND OUTSIDE DIAMETER SUBSTANTIALLY EQUAL TO THE INSIDE AND OUTSIDE DIAMETERS, RESPECTIVELY, OF SAID HEAD CYLINDRICAL PORTION. SAID SPACER PORTION HAVING A CYLINDRICAL CAMMING PORTION EXTENDING UPWARDLY AND INWARDLY FROM THE
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |