US3235432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite structure and method of forming same
Assignee: Fort James Corp
•
Filing: 1962-06-18
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Granted: 1966-02-15
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Expires: 1982-06-18
Abstract
No abstract record available.
Inventors
- 👤 Walter C George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:15
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; B65D65/403; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2895; Y; Y10; Y10S; Y10S229/00; Y10S229/939; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1016; Y10T156/1018; Y10T156/1026; Y10T156/1052; Y10T156/1056
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
THE METHOD OF MAKING ARIGID CORRUGATED LAMINATED PAPERBOARD AND PLASTIC PRODUCT COMPRISING AT LEAST ONE FACING SHEET AND A CORRUGATED MEMBER, THE FACING SHEET AND THE CORRUGATED MEMBER BEING INDIVIDUALLY THIN FLEXIBLE WEBS INITIALLY IN ROLL FORM AND BENDABLE AT RANDOM TO FORM FOLD LINES THEREIN AND HAVING NEGLIGIBLE RESISTANCE TO COMPRESSIVE FORCES EXERTED EDGEWISE OF THE SHEET, THE METHOD INCLUDING THE STEPS OF ADVANCING A CONTINUOUS WEB OF THE INTERMEDIATE SHEET FROM A ROLL THEREOF, APPLYING SPACED APART, PARALLEL LINES OF WEAKNESS ON SUCCESSIVELY ALTERNATE SIDES OF THE WEB BY PARTIAL SEVERANCE OF SAID
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |