Patent US3308045A successfully refreshed from Google Patents.
US3308045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for treating plastics
Assignee: Monsanto Co
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Filing: 1962-10-16
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Granted: 1967-03-07
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Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Michael W Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:53
CPC Classifications
H; H01; H01T; H01T19/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A METHOD FOR TREATING FLEXIBLE PLASTIC FILM WITH AN ELECTROSTATIC DISCHARGE COMPRISING PASSING A SHEET OF SAID FILM THROUGH AN ELECTROSTATIC DISCHARGE DEVICE COMPRISED OF AN ELECTROSTATIC DISCHARGE ELECTRODE ON ONE SIDE OF THE FILM AND ON THE OTHER SIDE A ROTATABLY MOUNTED ROLLER ADAPTED TO SUPPORT THE FILM AND PROVIDE ONE ELECTRODE FOR THE ELECTROSTATIC DISCHARGE DEVICE COMPRISED OF A SUBSTANTIALLY NON-CONDUCTIVE, NON-METALLIC OUTER SHELL
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |