US2741828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal structure
Assignee: Isthmian Metals Inc
•
Filing: 1951-08-31
•
Granted: 1956-04-17
•
Expires: 1971-08-31
Abstract
No abstract record available.
Inventors
- 👤 William P Matthew
- 👤 Lyman F Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:41
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/06; F16C3/10; F16C3/12; B; B22; B22F; B22F7/00; B22F7/06; B22F7/062; B22F7/064; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12229; Y10T428/12264; Y10T428/12451; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN INTEGRATED COMPOSITE STRUCTURE COMPRISING A PLURALITY OF FERROUS METAL COMPONENTS, ADJACENT COMPONENTS BEING JOINED TOGETHER BY A CONNECTOR ELEMENT, EACH CONNECTOR ELEMENT CONSISTING ESSENTIALLY OF PERFORMED, POWDERED METAL COMPACT COMPOSED OF 5% TO 2/3 PART OF A LOW MELTING CONSTITUENT AND FROM 95% TO 1/3 PART OF A HIGH MELTING CONSTITUENT, THE HIGH MELTING CONSTITUENT CONSISTING OF A FERROUS METAL, THE LOWER MELTING CONSTITUENT BEING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER, BRONZE AND COPPER-TIN MIXTURES IN WHICH THE COPPER PREDOMINATES, THE HIGH MELTING CONSTITUENT PROVIDING A SHAPERETAINING SKELETAL STRUCTURE BONDED TO SAID COMPONENTS BY SAID LOW MELTING CONSTITUENT CHARACTERISED IN THAT AT LEAST ONE OF A PAIR OF ADJACENT COMPONENTS HAS AN OPENING THEREIN BORDERED BY AN EXPOSED SURFACE OPPOSITE WHICH IS LOCATED THE OTHER COMPONENT, AND THAT THE CONNECTOR ELEMENT HAS A BONDING PORTION EXTENDING INTO THE OPENING, WHICH IS OF SUCH SHAPE AS TO HAVE INTIMATE SURFACE CONTACT WITH THE INTERNAL SURFACE OF SAID OPENING.
Claim 2
Dependent Claim
161 words
AN INTEGRATED COMPOSITE STRUCTURE COMPRISING A PLURALITY OF FERROUS METAL COMPONENTS, ADJACENT COMPONENTS BEING JOINED TOGETHER BY A CONNECTOR ELEMENT, EACH CONNECTOR ELEMENT CONSISTING ESSENTIALLY OF PERFORMED, POWDERED METAL COMPACT COMPOSED OF 5% TO 2/3 PART OF A LOW MELTING CONSTITUENT AND FROM 95% TO 1/3 PART OF A HIGH MELTING CONSTITUENT, THE HIGH MELTING CONSTITUENT CONSISTING OF A FERROUS METAL, THE LOWER MELTING CONSTITUENT BEING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER, BRONZE AND COPPER-TIN MIXTURES IN WHICH THE COPPER PREDOMINATES, THE HIGH MELTING CONSTITUENT PROVIDING A SHAPERETAINING SKELETAL STRUCTURE BONDED TO SAID COMPONENTS BY SAID LOW MELTING CONSTITUENT CHARACTERISED IN THAT AT LEAST ONE OF A PAIR OF ADJACENT COMPONENTS HAS AN OPENING THEREIN BORDERED BY AN EXPOSED SURFACE OPPOSITE WHICH IS LOCATED THE OTHER COMPONENT, AND THAT THE CONNECTOR ELEMENT HAS A BONDING PORTION EXTENDING INTO THE OPENING, WHICH IS OF SUCH SHAPE AS TO HAVE INTIMATE SURFACE CONTACT WITH THE INTERNAL SURFACE OF SAID OPENING.
References Cited (Backward Citations)
US1188485A
Cited
US1219139A
Cited
US1518610A
Cited
US1587445A
Cited
US1896939A
Cited
US1921642A
Cited
US2125314A
Cited
US2225451A
Cited
US2401483A
Cited
US2364109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |