Patent US3511735A successfully refreshed from Google Patents.
US3511735A
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Plastic bag handle applying apparatus including handle web severing and heat sealing means
Assignee: Cellu Craft Products Corp
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Filing: 1968-12-12
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Granted: 1970-05-12
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Expires: 1988-12-12
Abstract
No abstract record available.
Inventors
- 👤 Donald C Lindley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:28
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/64; B31B2160/00; B31B2160/10; B31B70/74; B31B70/86; B31B70/864; B31B70/87; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/12; Y10T156/1317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2971874A
Cited
US3093530A
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US3128035A
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US3334550A
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US3392636A
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US3455760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |