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US3466707A
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Assignee: Petro Tex Chemical Corp
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Filing: 1966-11-07
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Granted: 1969-09-16
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Gaylon T Click
- 👤 James M Gray Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:00
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/02; B21D41/021; B29; B29C; B29C43/00; B29C43/32; B29C43/36; B29C43/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1571267A
Cited
US2226852A
Cited
US2278932A
Cited
US2853116A
Cited
US3142868A
Cited
US3359599A
Cited
US3335484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |