Patent US2804508A successfully refreshed from Google Patents.
Patent US3268952A successfully refreshed from Google Patents.
US3268952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding machines
Assignee: Monsanto Co
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Filing: 1963-12-26
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Granted: 1966-08-30
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Richard K Shelby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:17
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/30; B29C51/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A MOLDING MACHINE COMPRISING A SUPPORTING FRAME, A PAIR OF OPPOSITELY DISPOSED COOPERATING UPPER AND LOWER DIE FRAMES OPERATIVELY MOUNTED ON SAID MOLDING MACHINE AND BEING ADAPTED TO SHIFT TOWARD AND AWAY FROM EACH OTHER, MEANS FOR PASSING A WEB OF MOLDABLE MATERIAL BETWEEN SAID DIE FRAMES, MEANS OPERATIVELY MOUNTED ON SAID MOLDING MACHINE FOR RECIPROCATIVELY SHIFTING SAID UPPER DIE FRAME TOWARD AND AWAY FROM THE LOWER DIE FRAME, A FIRST LINK PIVOTALLY CONNECTED TO SAID LOWER DIE FRAME, A SECOND LINK PIVOTALLY CONNECTED TO SAID FIRST LINK, AND BEING PIVOTALLY MOUNTED ON SAID SUPPORTING FRAME, PNEUMATIC MEANS OPERATIVELY MOUNTED ON SAID SUPPORTING FRAME, CAMMING MEANS OPERABLE BY SAID PNEUMATIC MEANS AND PROVIDING AN OPERATIVE INTERCONNECTION BETWEEN SAID PNEUMATIC MEANS AND SAID SECOND LINK, WHEREBY ACTUATION OF SAID PNEUMATIC MEANS WILL CAUSE SAID CAMMING MEANS TO CREATE A PIVOTAL MOVEMENT OF SAID SECOND LINK FOR SHIFTING SAID FIRST AND SECOND LINKS THEREBY RAISING AND LOWERING SAID LOWER DIE FRAME IN TIMED RELATION TO THE MOVEMENT OF SAID WEB.
Claim 2
Dependent Claim
168 words
A MOLDING MACHINE COMPRISING A SUPPORTING FRAME, A PAIR OF OPPOSITELY DISPOSED COOPERATING UPPER AND LOWER DIE FRAMES OPERATIVELY MOUNTED ON SAID MOLDING MACHINE AND BEING ADAPTED TO SHIFT TOWARD AND AWAY FROM EACH OTHER, MEANS FOR PASSING A WEB OF MOLDABLE MATERIAL BETWEEN SAID DIE FRAMES, MEANS OPERATIVELY MOUNTED ON SAID MOLDING MACHINE FOR RECIPROCATIVELY SHIFTING SAID UPPER DIE FRAME TOWARD AND AWAY FROM THE LOWER DIE FRAME, A FIRST LINK PIVOTALLY CONNECTED TO SAID LOWER DIE FRAME, A SECOND LINK PIVOTALLY CONNECTED TO SAID FIRST LINK, AND BEING PIVOTALLY MOUNTED ON SAID SUPPORTING FRAME, PNEUMATIC MEANS OPERATIVELY MOUNTED ON SAID SUPPORTING FRAME, CAMMING MEANS OPERABLE BY SAID PNEUMATIC MEANS AND PROVIDING AN OPERATIVE INTERCONNECTION BETWEEN SAID PNEUMATIC MEANS AND SAID SECOND LINK, WHEREBY ACTUATION OF SAID PNEUMATIC MEANS WILL CAUSE SAID CAMMING MEANS TO CREATE A PIVOTAL MOVEMENT OF SAID SECOND LINK FOR SHIFTING SAID FIRST AND SECOND LINKS THEREBY RAISING AND LOWERING SAID LOWER DIE FRAME IN TIMED RELATION TO THE MOVEMENT OF SAID WEB.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |