US3509599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for flaring and severing sleeves from plastics tubing
Assignee: Chevron USA Inc
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Filing: 1968-04-05
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Granted: 1970-05-05
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Expires: 1988-04-05
Abstract
No abstract record available.
Inventors
- 👤 Charles E Driza
- 👤 Philip R O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:48
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/16; B29; B29C; B29C57/00; B29C57/12; B29C69/00; B29C48/00; B29C48/001; B29C48/0011; B29C48/0022; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 0
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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) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |