Patent US3203043A successfully refreshed from Google Patents.
US3203043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminating press mold for manufacturing cellular products
Assignee: Individual
•
Filing: 1961-10-13
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Granted: 1965-08-31
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Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 Howard G Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:41
CPC Classifications
B; B29; B29C; B29C43/00; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
IN A MOLD FOR MANUFACTURING CELLULAR PRODUCTS THE IMPROVEMENT COMPRISING REMOVABLE MOLD SECTIONS CONSTITUTING SIDE FORMS FOR SAID MOLD, SAID REMOVABLE MOLD SECTIONS HAVING OFFSET JOINT PORTIONS AT LEAST AT ONE END THEREOF, AND MEANS TO RIGIDLY CLAMP JOINT PORTIONS OF ADJACENT MOLD SECTIONS TOGETHER, AT LEAST SOME OF SAID MOLD SECTIONS BEING TAPERED IN THE UPPER END REGIONS TO PROVIDE A SLIGHT CLEARANCE BETWEEN ADJACENT MOLD SECTIONS WHEN CLAMPED TOGETHER.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |