US3300350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making jointed polyolefincoated paperboard products
Assignee: Individual
•
Filing: 1963-03-11
•
Granted: 1967-01-24
•
Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 John H Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C65/00; B29C65/02; B29C65/10; B29C65/103; B29C65/106; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43122; B29C66/432; B29C66/4322; B29C66/4326; B29C66/49; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/7232; B29C66/72327; B29C66/72328; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8145; B29C66/81463; B29C66/81465; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/84; B29C66/851; B65; B65D; B65D5/00; B65D5/42; B65D5/4279; B65D5/56; B65D5/563; B65D5/62; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/919; B29L; B29L2031/00; B29L2031/712; B29L2031/7162; B65D5/02; B65D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF LAMINATING WEBS OF PAPERBOARD STOCK OF WHICH ONE FACE OF ONE WEB HAS A POLYOLEFIN COATING OXIDIZED FROM ITS PRIOR EXTRUSION ONTO THE WEB, WHICH COMPRISES IMPINGING NON-OXIDIZING FLAME ON THE COATING TO BRING IT ABOVE ITS MELTING POINT HEATINF THE OTHER WEB AT ONE FACE THEREOF; AND WHILE THE COATING IS STILL MOLTEN AND SAID ONE OF SAID OTHER WEB STILL HOT, SUPPERPOSING THE WEBS WITH THE COATING CONFRONTING SAID HOT FACE OF SAID OTHER WEB AND PRESSING THE WEBS TOGETHER.
Claim 2
Independent Claim
85 words
A METHOD OF LAMINATING WEBS OF PAPERBOARD STOCK OF WHICH ONE FACE OF ONE WEB HAS A POLYOLEFIN COATING OXIDIZED FROM ITS PRIOR EXTRUSION ONTO THE WEB, WHICH COMPRISES IMPINGING NON-OXIDIZING FLAME ON THE COATING TO BRING IT ABOVE ITS MELTING POINT HEATINF THE OTHER WEB AT ONE FACE THEREOF; AND WHILE THE COATING IS STILL MOLTEN AND SAID ONE OF SAID OTHER WEB STILL HOT, SUPPERPOSING THE WEBS WITH THE COATING CONFRONTING SAID HOT FACE OF SAID OTHER WEB AND PRESSING THE WEBS TOGETHER.
References Cited (Backward Citations)
US1752139A
Cited
US2157732A
Cited
US2538520A
Cited
US2783693A
Cited
US2795820A
Cited
US3029175A
Cited
GB826290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |