US3107585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip bag-producing machine
Assignee: Paper Converting Machine Co
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Filing: 1962-04-20
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Granted: 1963-10-22
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Ernst D Nystrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/14; B31B70/16; B31B2155/00; B31B2155/003; B31B2160/00; B31B2160/10; B31B70/02; B31B70/022; B31B70/024; B31B70/18; B31B70/60; B31B70/64; B31B70/644; B31B70/645; B31B70/649; B31B70/74; B31B70/92; B31B70/94; B31B70/946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN APPARATUS FOR PRODUCING ROLLS OF THERMOPLASTIC BAGS FOR TEAR-OFF USAGE WHEREIN A JUMBO ROLL OF THERMOPLASTIC WEBS ARE TRANSVERSELY UNITED AND PERFORATED IMMEDIATELY ADJACENT THE UNION, (A) A FRAME, (B) A DRUM MOUNTED FOR ROTATION IN SAID FRAME, (C) MEANS FOR ROTATING SAID DRUM, (D) A SPROCKET MOUNTED ON EACH END OF SAID DRUM FOR ROTATION THEREWITH,
Claim 2
Dependent Claim
58 words
IN APPARATUS FOR PRODUCING ROLLS OF THERMOPLASTIC BAGS FOR TEAR-OFF USAGE WHEREIN A JUMBO ROLL OF THERMOPLASTIC WEBS ARE TRANSVERSELY UNITED AND PERFORATED IMMEDIATELY ADJACENT THE UNION, (A) A FRAME, (B) A DRUM MOUNTED FOR ROTATION IN SAID FRAME, (C) MEANS FOR ROTATING SAID DRUM, (D) A SPROCKET MOUNTED ON EACH END OF SAID DRUM FOR ROTATION THEREWITH,
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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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |