Patent US3117520A successfully refreshed from Google Patents.
US3117520A
Expired / Lapsed
US
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Self-tightening attachment arrangement
Assignee: Lockheed Martin Corp
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Filing: 1959-07-02
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Granted: 1964-01-14
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Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Wayne E Kerr
- 👤 Robert R Harter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:58
CPC Classifications
B; B64; B64C; B64C9/00; F; F42; F42B; F42B10/00; F42B10/02; F42B10/04; F42B10/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN ARRANGEMENT FOR REMOVABLY ATTACHING FINS OR THE LIKE TO A MISSILE, COMPRISING A PLURALITY OF FINS EACH HAVING THEREON A PORTION WITH TAPERED SIDE WALLS TO FORM A TAPERED ATTACHMENT FITTING OF GENERALLY WEDGE-SHAPED CONFIGURATION, SAID SIDEWALLS BEING TAPERED SYMMETRICALLY WITH RESPECT TO THE PLANE OF THE RESPECTIVE FIN AND A PLURALITY OF COMPLEMENTARY FITTINGS EACH ARRANGED TO RECEIVE ONE OF SAID TAPERED ATTACHMENT FITTINGS, SAID COMPLEMENTARY FITTINGS BEING ADAPTED TO BE SECURED AT SPACED POSITIONS ON A MISSILE, AND EACH HAVING TAPERED SIDE WALLS DEFINING A GROOVE OF SUBSTANTIALLY CONSTANT CROSS SECTION INTO WHICH ONE OF SAID TAPERED ATTACHMENT FITTINGS CAN BE TIGHTLY RECEIVED, AN INCLINED SLOT AND PIN ARRANGEMENT FOR FORCING EACH PAIR OF FITTINGS TIGHTLY TOGETHER, AT LEAST TWO INCLINED SLOTS BEING LOCATED IN SPACED POSITIONS ON ONE FITTING OF EACH PAIR OF SAID FITTINGS, AND AT LEAST TWO SIMILARLY SPACED PINS BEING LOCATED ON THE OTHER FITTING OF EACH
Claim 2
Dependent Claim
154 words
AN ARRANGEMENT FOR REMOVABLY ATTACHING FINS OR THE LIKE TO A MISSILE, COMPRISING A PLURALITY OF FINS EACH HAVING THEREON A PORTION WITH TAPERED SIDE WALLS TO FORM A TAPERED ATTACHMENT FITTING OF GENERALLY WEDGE-SHAPED CONFIGURATION, SAID SIDEWALLS BEING TAPERED SYMMETRICALLY WITH RESPECT TO THE PLANE OF THE RESPECTIVE FIN AND A PLURALITY OF COMPLEMENTARY FITTINGS EACH ARRANGED TO RECEIVE ONE OF SAID TAPERED ATTACHMENT FITTINGS, SAID COMPLEMENTARY FITTINGS BEING ADAPTED TO BE SECURED AT SPACED POSITIONS ON A MISSILE, AND EACH HAVING TAPERED SIDE WALLS DEFINING A GROOVE OF SUBSTANTIALLY CONSTANT CROSS SECTION INTO WHICH ONE OF SAID TAPERED ATTACHMENT FITTINGS CAN BE TIGHTLY RECEIVED, AN INCLINED SLOT AND PIN ARRANGEMENT FOR FORCING EACH PAIR OF FITTINGS TIGHTLY TOGETHER, AT LEAST TWO INCLINED SLOTS BEING LOCATED IN SPACED POSITIONS ON ONE FITTING OF EACH PAIR OF SAID FITTINGS, AND AT LEAST TWO SIMILARLY SPACED PINS BEING LOCATED ON THE OTHER FITTING OF EACH
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |