US3465489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heat sealing and cutting film
Assignee: Weldotron of Delaware Inc
•
Filing: 1965-06-30
•
Granted: 1969-09-09
•
Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Monaghan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:11
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/18; B65B9/00; B65B9/02; B65B9/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3015381A
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US2987107A
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US3230687A
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US3158973A
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US3355857A
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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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |