US3342666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular honeycomb product and method
Assignee: Hexcel Products Inc
•
Filing: 1963-09-18
•
Granted: 1967-09-19
•
Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Hull Harold Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:38
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0089; B21; B21D; B21D47/00; B31; B31D; B31D3/00; B31D3/005; B31D3/007; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24628; Y10T428/24669; Y10T428/24678; Y10T428/24694; Y10T428/24711
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A LAMINATED STRUCTURE COMPRISING: A PLURALITY OF SUPERPOSED SECTIONS OF SHEET MATERIAL, EACH SECTION BEING FORMED WITH A PLURALITY OF ALTERNATING SHORT AND TALL CORRUGATIONS; EACH TALL AND SHORT CORRUGATION BEING NESTED WITHIN THE SHORT AND TALL CORRUGATIONS RESPECTIVELY OF THE ADJACENT SHEETS, AND BONDING MEANS OPERABLY CONNECTING THE INTERFACES BETWEEN THE PROTRUDING SURFACE OF SELECTED EVENLY SPACED TALL CORRUGATION TO THE RECESS SURFACE OF THE NESTED ADJACENT SHORT CORRUGATION WHEREBY THE SECTIONS OF SHEET MATERIAL ARE EXPANDABLE TO FORM AN OPEN CELLULAR HONEYCOMB STRUCTURE.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |