Patent US3364073A successfully refreshed from Google Patents.
Patent US3465489A successfully refreshed from Google Patents.
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 05:29
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/18; B65B9/00; B65B9/02; B65B9/026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2639567A
Cited
US3015381A
Cited
US2931148A
Cited
US3011934A
Cited
US2987107A
Cited
US3230687A
Cited
US3237371A
Cited
US3191356A
Cited
US3158973A
Cited
US3355857A
Cited
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 |