US3189501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Honeycomb materials
Assignee: Dufaylite Developments Ltd
•
Filing: 1961-10-19
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Granted: 1965-06-15
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 White Desmond Deverell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:12
CPC Classifications
B; B31; B31D; B31D3/00; B31D3/02; B31D3/0223; B31D3/0269; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF PRODUCING UNEXPANDED STRUCTURAL HONEYCOMB MATERIAL WHICH COMPRISES WINDING A SINGLE WEB OF SHEET MATERIAL UPON A ROTARY FORMER FORMED WITH FLAT WEB RECEIVING FACES, APPLYING TO THE SHEET MATERIAL, DURING THE WINDING OPERATION, AN ADHESIVE IS DISTRIBUTED IN MUTUALLY PARALLEL EVENLY SPACED BANDS EXTENDING IN THE WINDING DIRECTION OF THE WEB MATERIAL, SHIFTING THE POSITION OF THE BANDS ACROSS THE WEB BETWEEN A FIRST REGISTRATION POSITION AND A SECOND REGISTRATION POSITION AN ODD NUMBER OF TIMES FOR EACH REVOLUTION OF THE FORMER, SAID SHIFTING BEING MADE WHEN THE FORMER OCCUPIES PREDETER-
Claim 2
Independent Claim
94 words
A METHOD OF PRODUCING UNEXPANDED STRUCTURAL HONEYCOMB MATERIAL WHICH COMPRISES WINDING A SINGLE WEB OF SHEET MATERIAL UPON A ROTARY FORMER FORMED WITH FLAT WEB RECEIVING FACES, APPLYING TO THE SHEET MATERIAL, DURING THE WINDING OPERATION, AN ADHESIVE IS DISTRIBUTED IN MUTUALLY PARALLEL EVENLY SPACED BANDS EXTENDING IN THE WINDING DIRECTION OF THE WEB MATERIAL, SHIFTING THE POSITION OF THE BANDS ACROSS THE WEB BETWEEN A FIRST REGISTRATION POSITION AND A SECOND REGISTRATION POSITION AN ODD NUMBER OF TIMES FOR EACH REVOLUTION OF THE FORMER, SAID SHIFTING BEING MADE WHEN THE FORMER OCCUPIES PREDETER-
References Cited (Backward Citations)
DE180964C
Cited
GB190427931A
Cited
US765412A
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DE842484C
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US2454074A
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US2589966A
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US2902718A
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US3082141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |