US3407130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating polyvinylbutyral sheeting by an electric discharge in nitrogen toreduce blocking
Assignee: EIDP Inc
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Filing: 1966-01-19
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Granted: 1968-10-22
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Hailstone Robert Burleigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:28
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/10; B29C59/12; B29K; B29K2029/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PROCESS FOR THE PRODUCTION OF POLYVINYLBUTYRAL SHEETING HAVING A DECREASED TENDENCY TO BLOCK WHICH COMPRISES SUBJECTING THE SHEETING TO AN ELECTRICAL DISCHARGE IN AN ATMOSPHERE CONSISTING ESSENTIALLY OF NITROGEN.
Claim 2
Dependent Claim
30 words
A PROCESS FOR THE PRODUCTION OF POLYVINYLBUTYRAL SHEETING HAVING A DECREASED TENDENCY TO BLOCK WHICH COMPRISES SUBJECTING THE SHEETING TO AN ELECTRICAL DISCHARGE IN AN ATMOSPHERE CONSISTING ESSENTIALLY OF NITROGEN.
References Cited (Backward Citations)
US3309299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |