US2696451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic edge attachment
Assignee: Lockheed Martin Corp
•
Filing: 1946-02-08
•
Granted: 1954-12-07
•
Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 Eugene H Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; B64C1/1476; B64C1/1492; B60; B60J; B60J10/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN AIRCRAFT ENCLOSURE ADAPTED TO RESIST INTERNAL PRESSURES AND THE EDGE TENSION FORCES CREATED THEREBY COMPRISING A TRANSPARENT BODY SHEET FORMED OF A SYNTHETIC RESIN AND HAVING A MARGINAL EDE, AND AN ATTACHING STRIP FOR MOUNTING SAID ENCLOSURE WHICH IS CAPABLE OF SUSTAINING HIGHER LOCALIZED STRESSES THAN SAID BODY SHEET, SAID ATTACHING STRIP COMPRISING CEMENTED LAMINATIONS OF WOVEN FIBER AND HAVING A MARGINAL EDGE WHICH CONFORMS TO, WHICH OVERLAPS, AND WHICH IS CEMENTED TO THE MARGINAL EDGE OF SAID BODY SHEET, WHEREBY TO PROVIDE AN EXTENSION ON SAID BODY SHEET TO WHICH SUBSTANTIALLY ALL OF SAID TENSION FORCES ARE TRANSMITED ACROSS THE CEMENTED JOINT CONNECTING THE OVERLAPPING MARGINAL EDGES OF SAID BODY SHEET AND STRIP.
Claim 2
Dependent Claim
115 words
AN AIRCRAFT ENCLOSURE ADAPTED TO RESIST INTERNAL PRESSURES AND THE EDGE TENSION FORCES CREATED THEREBY COMPRISING A TRANSPARENT BODY SHEET FORMED OF A SYNTHETIC RESIN AND HAVING A MARGINAL EDE, AND AN ATTACHING STRIP FOR MOUNTING SAID ENCLOSURE WHICH IS CAPABLE OF SUSTAINING HIGHER LOCALIZED STRESSES THAN SAID BODY SHEET, SAID ATTACHING STRIP COMPRISING CEMENTED LAMINATIONS OF WOVEN FIBER AND HAVING A MARGINAL EDGE WHICH CONFORMS TO, WHICH OVERLAPS, AND WHICH IS CEMENTED TO THE MARGINAL EDGE OF SAID BODY SHEET, WHEREBY TO PROVIDE AN EXTENSION ON SAID BODY SHEET TO WHICH SUBSTANTIALLY ALL OF SAID TENSION FORCES ARE TRANSMITED ACROSS THE CEMENTED JOINT CONNECTING THE OVERLAPPING MARGINAL EDGES OF SAID BODY SHEET AND STRIP.
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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) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |