Patent US3363377A successfully refreshed from Google Patents.
Patent US3200489A successfully refreshed from Google Patents.
US3200489A
Expired / Lapsed
US
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Method of making honeycomb core
Assignee: Individual
•
Filing: 1957-06-18
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Granted: 1965-08-17
•
Expires: 1977-06-18
Abstract
No abstract record available.
Inventors
- 👤 George F Keeleric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:36
CPC Classifications
B; B21; B21D; B21D47/00; B31; B31D; B31D3/00; B31D3/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN THE METHOD OF MAKING HONEYCOMB CORE, THE STEPS INCLUDING DEFINING A PLURALITY OF SPACED PARALLEL NODES ON AT LEAST ONE FACE OF A LARGE NUMBER OF FOILS, STOPPING OFF THE SPACES BETWEEN ADJACENT NODES ON EACH FOIL WIGH A PRESSURE TRANSMITTING STOP-OFF MATERIAL, STACKING THE FOILS SO THAT THE EXPOSED SURFACE OF EACH NODE CONTACTS EXPOSED FOIL MATERIAL ON THE SUPERPOSED FOIL, AND SUBJECTING THE STACKED FOILS TO HEAT TO UNIFORMLY RAISE THE TEMPERATURE OF ALL THE FOILS TO DIFFUSION WELDING TEMPERATURE AND SIMULTANEOUSLY SUBJECTING SAID STACK TO STATICCOMPRESSIONAL FORCES APPLIED UNIFORMLY SIMULTANEOUSLY THROUGHOUT THE ENTIRE STACK PERMANENTLY TO WELD THE CONTACTED NODE SURFACES AND FOIL SURFACES OF SUPERPOSED FOILS WITHOUT APPRECIABLE ATTENUATION OF THE FOIL MATERIAL.
Claim 2
Dependent Claim
118 words
IN THE METHOD OF MAKING HONEYCOMB CORE, THE STEPS INCLUDING DEFINING A PLURALITY OF SPACED PARALLEL NODES ON AT LEAST ONE FACE OF A LARGE NUMBER OF FOILS, STOPPING OFF THE SPACES BETWEEN ADJACENT NODES ON EACH FOIL WIGH A PRESSURE TRANSMITTING STOP-OFF MATERIAL, STACKING THE FOILS SO THAT THE EXPOSED SURFACE OF EACH NODE CONTACTS EXPOSED FOIL MATERIAL ON THE SUPERPOSED FOIL, AND SUBJECTING THE STACKED FOILS TO HEAT TO UNIFORMLY RAISE THE TEMPERATURE OF ALL THE FOILS TO DIFFUSION WELDING TEMPERATURE AND SIMULTANEOUSLY SUBJECTING SAID STACK TO STATICCOMPRESSIONAL FORCES APPLIED UNIFORMLY SIMULTANEOUSLY THROUGHOUT THE ENTIRE STACK PERMANENTLY TO WELD THE CONTACTED NODE SURFACES AND FOIL SURFACES OF SUPERPOSED FOILS WITHOUT APPRECIABLE ATTENUATION OF THE FOIL MATERIAL.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |