US3219307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-part mold
Assignee: LEEDS SWEETE PRODUCTS Inc
•
Filing: 1961-09-20
•
Granted: 1965-11-23
•
Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Walter A Leeds
- 👤 Norbert J Sweete
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:57
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/40; B28B7/34; B28B7/346; B28B7/348; Y; Y10; Y10S; Y10S425/00; Y10S425/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN A MULTI-PART MOLD COMBINATION COMPOSED OF MOLD MEMBERS HAVING PERIMETRIC EDGE PORTIONS ADAPTED TO ENGAGE IN ABUTTING RELATIONSHIP IN A CAVITY-FORMING POSITION, ONE OF SAID MOLDS COMPRISING AN ARTICLE FACEDEFINING MOLD, THE IMPROVEMENT COMPRISING SMOOTH SURFACE MEANS EXTENDING UNIFORMLY OUTWARDLY FROM SAID MOLD PERIMETERIC EDGES, AND LOCKING MEANS FORMED INTEGRALLY
Claim 2
Dependent Claim
51 words
IN A MULTI-PART MOLD COMBINATION COMPOSED OF MOLD MEMBERS HAVING PERIMETRIC EDGE PORTIONS ADAPTED TO ENGAGE IN ABUTTING RELATIONSHIP IN A CAVITY-FORMING POSITION, ONE OF SAID MOLDS COMPRISING AN ARTICLE FACEDEFINING MOLD, THE IMPROVEMENT COMPRISING SMOOTH SURFACE MEANS EXTENDING UNIFORMLY OUTWARDLY FROM SAID MOLD PERIMETERIC EDGES, AND LOCKING MEANS FORMED INTEGRALLY
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |