US2719807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular core product and method of making same
Assignee: California Reinforced Plastics Co
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Filing: 1954-07-21
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Granted: 1955-10-04
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Expires: 1974-07-21
Abstract
No abstract record available.
Inventors
- 👤 Roger C Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:15
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0089; B31; B31D; B31D3/00; B31D3/02; B31D3/0284; B32; B32B; B32B3/00; B32B3/10; B32B3/12; Y; Y10; Y10S; Y10S493/00; Y10S493/966; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1025; Y10T156/1043; Y10T156/1049; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24165; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A PRODUCT COMPRISING; A SHEET OF CELLULAR CORE MATERIAL FORMED OF STRIPS OF SHEET MATERIAL BONDED TO ONE ANOTHER AT SPACED POINTS THROUGHOUT THEIR RESPECTIVE LENGTHS DEFINING CELL OPENINGS, PORTIONS OF SAID STRIPS PROJECTING OUTWARDLY TO OPPOSITE SIDES OF SAID SHEET OF CELLULAR MATERIAL DEFINING PROJECTING EARS, ADJACENT EARS BEING FOLDED BACK OVER THEMSELVES AND BONDED IN OVERLAPPING SHINGLE-LIKE ARRANGEMENT DEFINING SUBSTANTIALLY CONTINUOUS AND RIGID OPPOSITE SIDE EDGES OF SAID SHEET OF CELLULAR MATERIAL.
Claim 2
Dependent Claim
74 words
A PRODUCT COMPRISING; A SHEET OF CELLULAR CORE MATERIAL FORMED OF STRIPS OF SHEET MATERIAL BONDED TO ONE ANOTHER AT SPACED POINTS THROUGHOUT THEIR RESPECTIVE LENGTHS DEFINING CELL OPENINGS, PORTIONS OF SAID STRIPS PROJECTING OUTWARDLY TO OPPOSITE SIDES OF SAID SHEET OF CELLULAR MATERIAL DEFINING PROJECTING EARS, ADJACENT EARS BEING FOLDED BACK OVER THEMSELVES AND BONDED IN OVERLAPPING SHINGLE-LIKE ARRANGEMENT DEFINING SUBSTANTIALLY CONTINUOUS AND RIGID OPPOSITE SIDE EDGES OF SAID SHEET OF CELLULAR MATERIAL.
Claim 3
Independent Claim
100 words
A METHOD OF FABRICATING A NEW PRODUCT FROM A SHEET OF CELLULAR CORE MATERIAL OF THE TYPE CHARACTERIZED AS COMPRISING A PLURALITY OF STRIPS OF RELATIVELY FLEXIBLE SHEET MATERIAL BONDED TO ONE ANOTHER AT SPACED POINTS THROUGHOUT THEIR RESPECTIVE LENGTHS DEFINING ENLARGED CELL OPENINGS, AND WITH PORTIONS OF SAID STRIPS PROJECTING LATERALLY OUTWARDLY TO OPPOSITE SIDES OF SAID SHEET OF CELLULAR MATERIAL DEFINING LATERALLY PROJECTING, RELATIVELY FLEXIBLE EARS, COMPRISING THE STEPS: FOLDING ADJACENT PROJECTING EARS OF SAID SHEET OF CELLULAR CORE MATERIAL BACK OVER THEMSELVES IN OVERLAPPING SHINGLE-LIKE ARRANGEMENT AND ADHESIVELY SECURING SAID EARS IN SAID FOLDED-BACK OVERLAPPING SHINGLE-LIKE ARRANGEMENT.
Claim 4
Independent Claim
100 words
A METHOD OF FABRICATING A NEW PRODUCT FROM A SHEET OF CELLULAR CORE MATERIAL OF THE TYPE CHARACTERIZED AS COMPRISING A PLURALITY OF STRIPS OF RELATIVELY FLEXIBLE SHEET MATERIAL BONDED TO ONE ANOTHER AT SPACED POINTS THROUGHOUT THEIR RESPECTIVE LENGTHS DEFINING ENLARGED CELL OPENINGS, AND WITH PORTIONS OF SAID STRIPS PROJECTING LATERALLY OUTWARDLY TO OPPOSITE SIDES OF SAID SHEET OF CELLULAR MATERIAL DEFINING LATERALLY PROJECTING, RELATIVELY FLEXIBLE EARS, COMPRISING THE STEPS: FOLDING ADJACENT PROJECTING EARS OF SAID SHEET OF CELLULAR CORE MATERIAL BACK OVER THEMSELVES IN OVERLAPPING SHINGLE-LIKE ARRANGEMENT AND ADHESIVELY SECURING SAID EARS IN SAID FOLDED-BACK OVERLAPPING SHINGLE-LIKE ARRANGEMENT.
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) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |