Patent US3134307A successfully refreshed from Google Patents.
US3134307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing device for side seams of paper cups
Assignee: Paper Machinery Corp
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Filing: 1962-07-31
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Granted: 1964-05-26
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Donald B Loeser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:39
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/60; B31B50/64; B31B2105/00; B31B2105/002; B31B2105/0022; B31B50/26; B31B50/28; B31B50/30; B31B50/32; B31B50/322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A PAPER CUP MAKING MACHINE OF THE TYPE HAVING A MANDREL AROUND WHICH A PAPER BLANK IS WRAPPED TO THEREBY PRODUCE A HEAT SEALABLE SIDE SEAM, A HEATING AND COOLING DEVICE FOR SAID SEAM AND COMPRISING, A HOT BAR AND A COLD BAR MOUNTED ADJACENT SAID MANDREL AND ALTERNATELY SHIFTABLE BETWEEN A POSITION ENGAGING SAID SEAM AND A POSITION REMOTE FROM SAID SEAM TO THEREBY FIRST HEAT AND THEN COOL THE SEAM.
Claim 2
Dependent Claim
73 words
IN A PAPER CUP MAKING MACHINE OF THE TYPE HAVING A MANDREL AROUND WHICH A PAPER BLANK IS WRAPPED TO THEREBY PRODUCE A HEAT SEALABLE SIDE SEAM, A HEATING AND COOLING DEVICE FOR SAID SEAM AND COMPRISING, A HOT BAR AND A COLD BAR MOUNTED ADJACENT SAID MANDREL AND ALTERNATELY SHIFTABLE BETWEEN A POSITION ENGAGING SAID SEAM AND A POSITION REMOTE FROM SAID SEAM TO THEREBY FIRST HEAT AND THEN COOL THE SEAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |