US3245601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealable paperboard blanks
Assignee: ST Regis Paper Co
•
Filing: 1964-05-13
•
Granted: 1966-04-12
•
Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 Robert F Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:26
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/66; D21H23/68; Y; Y10; Y10S; Y10S229/00; Y10S229/915; Y10S229/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PAPERBOARD OF A CALIPER OF FROM ABOUT 8 TO ABOUT 30 POINTS CONTAINER BLANK OF THE TYPE ADAPTED TO BE SEALED ALONG AT LEAST ONE OVERLAPPING PORTION, A MOISTURE BARRIER AND HEAT SEALING COATING COMPPOSITION HAVING A VISCOSITY AT 220* F. IN THE RANGE OF FROM ABOUT 40 TO 400 CENTIPOISES, A FAST SET-UP TIME, A HIGH SET-UP TEMPERATURE, GOOD BLOCKING RESISTANCE, AND LOW SLIP-RESSISTANCE APPLIED TO AT LEAST ONE MAJOR SURFACE OF SAID BLANK AND APPLIED ON AT LEAST SAID SEALING PORTION OF SA ID BLANK, SAID COATING COMPOSITION PRESENTING PROJECTIONS IN A PREDETERMINED PATTERN THEREON.
Claim 2
Dependent Claim
98 words
A PAPERBOARD OF A CALIPER OF FROM ABOUT 8 TO ABOUT 30 POINTS CONTAINER BLANK OF THE TYPE ADAPTED TO BE SEALED ALONG AT LEAST ONE OVERLAPPING PORTION, A MOISTURE BARRIER AND HEAT SEALING COATING COMPPOSITION HAVING A VISCOSITY AT 220* F. IN THE RANGE OF FROM ABOUT 40 TO 400 CENTIPOISES, A FAST SET-UP TIME, A HIGH SET-UP TEMPERATURE, GOOD BLOCKING RESISTANCE, AND LOW SLIP-RESSISTANCE APPLIED TO AT LEAST ONE MAJOR SURFACE OF SAID BLANK AND APPLIED ON AT LEAST SAID SEALING PORTION OF SA ID BLANK, SAID COATING COMPOSITION PRESENTING PROJECTIONS IN A PREDETERMINED PATTERN THEREON.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |