Patent US3317320A successfully refreshed from Google Patents.
US3317320A
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US
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Duo resist process
Assignee: Bendix Corp
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Filing: 1964-01-02
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Granted: 1967-05-02
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Robert L Reber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:40
CPC Classifications
H; H10; H10P; H10P95/00; C; C23; C23F; C23F1/00; C23F1/02; G; G03; G03F; G03F7/00; G03F7/0035; H10W; H10W74/00; H10W74/40; H10W74/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2673823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |